Home / 103,256.26-142,488.57-58,535.62

Finding the Fourth Proportional to 103,256.26, 142,488.57 and 58,535.62

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Solution

The fourth proportional to 103,256.26, 142,488.57 and 58,535.62 is: 80,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,256.26 : 142,488.57 = 58,535.62 : x
  2. Step 2: Convert to fraction form
    103,256.26/142,488.57 = 58,535.62/x
  3. Step 3: Cross multiply
    103,256.26x = 142,488.57 × 58,535.62
  4. Step 4: Simplify right side
    103,256.26x = 8,340,656,787.86
  5. Step 5: Solve for x
    x = 8,340,656,787.86/103,256.26
  6. Step 6: Final answer
    x = 80,776.28

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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.