Home / 145,026.54-217,545.71-69,086.04

Finding the Fourth Proportional to 145,026.54, 217,545.71 and 69,086.04

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Solution

The fourth proportional to 145,026.54, 217,545.71 and 69,086.04 is: 103,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,026.54 : 217,545.71 = 69,086.04 : x
  2. Step 2: Convert to fraction form
    145,026.54/217,545.71 = 69,086.04/x
  3. Step 3: Cross multiply
    145,026.54x = 217,545.71 × 69,086.04
  4. Step 4: Simplify right side
    145,026.54x = 15,029,371,622.89
  5. Step 5: Solve for x
    x = 15,029,371,622.89/145,026.54
  6. Step 6: Final answer
    x = 103,631.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.