Home / 125,133.82-172,684.65-68,545.18

Finding the Fourth Proportional to 125,133.82, 172,684.65 and 68,545.18

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Solution

The fourth proportional to 125,133.82, 172,684.65 and 68,545.18 is: 94,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133.82 : 172,684.65 = 68,545.18 : x
  2. Step 2: Convert to fraction form
    125,133.82/172,684.65 = 68,545.18/x
  3. Step 3: Cross multiply
    125,133.82x = 172,684.65 × 68,545.18
  4. Step 4: Simplify right side
    125,133.82x = 11,836,700,417.49
  5. Step 5: Solve for x
    x = 11,836,700,417.49/125,133.82
  6. Step 6: Final answer
    x = 94,592.34

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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.