Home / 102,801.17-141,862.77-57,479.24

Finding the Fourth Proportional to 102,801.17, 141,862.77 and 57,479.24

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Solution

The fourth proportional to 102,801.17, 141,862.77 and 57,479.24 is: 79,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,801.17 : 141,862.77 = 57,479.24 : x
  2. Step 2: Convert to fraction form
    102,801.17/141,862.77 = 57,479.24/x
  3. Step 3: Cross multiply
    102,801.17x = 141,862.77 × 57,479.24
  4. Step 4: Simplify right side
    102,801.17x = 8,154,163,494.58
  5. Step 5: Solve for x
    x = 8,154,163,494.58/102,801.17
  6. Step 6: Final answer
    x = 79,319.76

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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.