Home / 147,545.64-221,214.78-54,039.24

Finding the Fourth Proportional to 147,545.64, 221,214.78 and 54,039.24

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Solution

The fourth proportional to 147,545.64, 221,214.78 and 54,039.24 is: 81,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,545.64 : 221,214.78 = 54,039.24 : x
  2. Step 2: Convert to fraction form
    147,545.64/221,214.78 = 54,039.24/x
  3. Step 3: Cross multiply
    147,545.64x = 221,214.78 × 54,039.24
  4. Step 4: Simplify right side
    147,545.64x = 11,954,278,587.97
  5. Step 5: Solve for x
    x = 11,954,278,587.97/147,545.64
  6. Step 6: Final answer
    x = 81,020.89

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1.5x scale

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.