Home / 125,110.54-172,646.13-68,520.70

Finding the Fourth Proportional to 125,110.54, 172,646.13 and 68,520.70

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Solution

The fourth proportional to 125,110.54, 172,646.13 and 68,520.70 is: 94,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,110.54 : 172,646.13 = 68,520.70 : x
  2. Step 2: Convert to fraction form
    125,110.54/172,646.13 = 68,520.70/x
  3. Step 3: Cross multiply
    125,110.54x = 172,646.13 × 68,520.70
  4. Step 4: Simplify right side
    125,110.54x = 11,829,833,679.89
  5. Step 5: Solve for x
    x = 11,829,833,679.89/125,110.54
  6. Step 6: Final answer
    x = 94,555.05

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1.5x scale

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.