Home / 125,133.52-172,684.32-68,545.12

Finding the Fourth Proportional to 125,133.52, 172,684.32 and 68,545.12

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Solution

The fourth proportional to 125,133.52, 172,684.32 and 68,545.12 is: 94,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133.52 : 172,684.32 = 68,545.12 : x
  2. Step 2: Convert to fraction form
    125,133.52/172,684.32 = 68,545.12/x
  3. Step 3: Cross multiply
    125,133.52x = 172,684.32 × 68,545.12
  4. Step 4: Simplify right side
    125,133.52x = 11,836,667,436.52
  5. Step 5: Solve for x
    x = 11,836,667,436.52/125,133.52
  6. Step 6: Final answer
    x = 94,592.30

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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.