Home / 86,972.40-130,458.60-24,642.90

Finding the Fourth Proportional to 86,972.40, 130,458.60 and 24,642.90

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Solution

The fourth proportional to 86,972.40, 130,458.60 and 24,642.90 is: 36,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.40 : 130,458.60 = 24,642.90 : x
  2. Step 2: Convert to fraction form
    86,972.40/130,458.60 = 24,642.90/x
  3. Step 3: Cross multiply
    86,972.40x = 130,458.60 × 24,642.90
  4. Step 4: Simplify right side
    86,972.40x = 3,214,878,233.94
  5. Step 5: Solve for x
    x = 3,214,878,233.94/86,972.40
  6. Step 6: Final answer
    x = 36,964.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.