Home / 125,931.70-173,805.71-74,946.66

Finding the Fourth Proportional to 125,931.70, 173,805.71 and 74,946.66

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Solution

The fourth proportional to 125,931.70, 173,805.71 and 74,946.66 is: 103,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,931.70 : 173,805.71 = 74,946.66 : x
  2. Step 2: Convert to fraction form
    125,931.70/173,805.71 = 74,946.66/x
  3. Step 3: Cross multiply
    125,931.70x = 173,805.71 × 74,946.66
  4. Step 4: Simplify right side
    125,931.70x = 13,026,157,453.43
  5. Step 5: Solve for x
    x = 13,026,157,453.43/125,931.70
  6. Step 6: Final answer
    x = 103,438.27

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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.