Home / 102,385.26-141,293.07-57,061.98

Finding the Fourth Proportional to 102,385.26, 141,293.07 and 57,061.98

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Solution

The fourth proportional to 102,385.26, 141,293.07 and 57,061.98 is: 78,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,385.26 : 141,293.07 = 57,061.98 : x
  2. Step 2: Convert to fraction form
    102,385.26/141,293.07 = 57,061.98/x
  3. Step 3: Cross multiply
    102,385.26x = 141,293.07 × 57,061.98
  4. Step 4: Simplify right side
    102,385.26x = 8,062,462,334.48
  5. Step 5: Solve for x
    x = 8,062,462,334.48/102,385.26
  6. Step 6: Final answer
    x = 78,746.32

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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.