Home / 125,727.86-173,461.97-71,274.19

Finding the Fourth Proportional to 125,727.86, 173,461.97 and 71,274.19

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Solution

The fourth proportional to 125,727.86, 173,461.97 and 71,274.19 is: 98,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,727.86 : 173,461.97 = 71,274.19 : x
  2. Step 2: Convert to fraction form
    125,727.86/173,461.97 = 71,274.19/x
  3. Step 3: Cross multiply
    125,727.86x = 173,461.97 × 71,274.19
  4. Step 4: Simplify right side
    125,727.86x = 12,363,361,407.55
  5. Step 5: Solve for x
    x = 12,363,361,407.55/125,727.86
  6. Step 6: Final answer
    x = 98,334.30

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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.