Home / 102,695.40-141,710.58-57,367.26

Finding the Fourth Proportional to 102,695.40, 141,710.58 and 57,367.26

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Solution

The fourth proportional to 102,695.40, 141,710.58 and 57,367.26 is: 79,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,695.40 : 141,710.58 = 57,367.26 : x
  2. Step 2: Convert to fraction form
    102,695.40/141,710.58 = 57,367.26/x
  3. Step 3: Cross multiply
    102,695.40x = 141,710.58 × 57,367.26
  4. Step 4: Simplify right side
    102,695.40x = 8,129,547,687.61
  5. Step 5: Solve for x
    x = 8,129,547,687.61/102,695.40
  6. Step 6: Final answer
    x = 79,161.75

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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.