Home / 103,294.64-142,534.86-57,963.26

Finding the Fourth Proportional to 103,294.64, 142,534.86 and 57,963.26

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Solution

The fourth proportional to 103,294.64, 142,534.86 and 57,963.26 is: 79,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,294.64 : 142,534.86 = 57,963.26 : x
  2. Step 2: Convert to fraction form
    103,294.64/142,534.86 = 57,963.26/x
  3. Step 3: Cross multiply
    103,294.64x = 142,534.86 × 57,963.26
  4. Step 4: Simplify right side
    103,294.64x = 8,261,785,149.24
  5. Step 5: Solve for x
    x = 8,261,785,149.24/103,294.64
  6. Step 6: Final answer
    x = 79,982.71

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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.