Home / 94,340.70-130,188.05-54,078.20

Finding the Fourth Proportional to 94,340.70, 130,188.05 and 54,078.20

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Solution

The fourth proportional to 94,340.70, 130,188.05 and 54,078.20 is: 74,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,340.70 : 130,188.05 = 54,078.20 : x
  2. Step 2: Convert to fraction form
    94,340.70/130,188.05 = 54,078.20/x
  3. Step 3: Cross multiply
    94,340.70x = 130,188.05 × 54,078.20
  4. Step 4: Simplify right side
    94,340.70x = 7,040,334,484.18
  5. Step 5: Solve for x
    x = 7,040,334,484.18/94,340.70
  6. Step 6: Final answer
    x = 74,626.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.