Home / 103,244.60-142,468.92-57,916.28

Finding the Fourth Proportional to 103,244.60, 142,468.92 and 57,916.28

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Solution

The fourth proportional to 103,244.60, 142,468.92 and 57,916.28 is: 79,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,244.60 : 142,468.92 = 57,916.28 : x
  2. Step 2: Convert to fraction form
    103,244.60/142,468.92 = 57,916.28/x
  3. Step 3: Cross multiply
    103,244.60x = 142,468.92 × 57,916.28
  4. Step 4: Simplify right side
    103,244.60x = 8,251,269,862.02
  5. Step 5: Solve for x
    x = 8,251,269,862.02/103,244.60
  6. Step 6: Final answer
    x = 79,919.63

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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.