Home / 86,728.60-130,117.38-24,399.64

Finding the Fourth Proportional to 86,728.60, 130,117.38 and 24,399.64

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Solution

The fourth proportional to 86,728.60, 130,117.38 and 24,399.64 is: 36,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728.60 : 130,117.38 = 24,399.64 : x
  2. Step 2: Convert to fraction form
    86,728.60/130,117.38 = 24,399.64/x
  3. Step 3: Cross multiply
    86,728.60x = 130,117.38 × 24,399.64
  4. Step 4: Simplify right side
    86,728.60x = 3,174,817,229.74
  5. Step 5: Solve for x
    x = 3,174,817,229.74/86,728.60
  6. Step 6: Final answer
    x = 36,606.35

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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.