Home / 97,140.43-134,060.65-54,122.75

Finding the Fourth Proportional to 97,140.43, 134,060.65 and 54,122.75

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Solution

The fourth proportional to 97,140.43, 134,060.65 and 54,122.75 is: 74,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,140.43 : 134,060.65 = 54,122.75 : x
  2. Step 2: Convert to fraction form
    97,140.43/134,060.65 = 54,122.75/x
  3. Step 3: Cross multiply
    97,140.43x = 134,060.65 × 54,122.75
  4. Step 4: Simplify right side
    97,140.43x = 7,255,730,374.48
  5. Step 5: Solve for x
    x = 7,255,730,374.48/97,140.43
  6. Step 6: Final answer
    x = 74,693.21

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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.