Home / 147,572.32-221,358.24-54,085.28

Finding the Fourth Proportional to 147,572.32, 221,358.24 and 54,085.28

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Solution

The fourth proportional to 147,572.32, 221,358.24 and 54,085.28 is: 81,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,572.32 : 221,358.24 = 54,085.28 : x
  2. Step 2: Convert to fraction form
    147,572.32/221,358.24 = 54,085.28/x
  3. Step 3: Cross multiply
    147,572.32x = 221,358.24 × 54,085.28
  4. Step 4: Simplify right side
    147,572.32x = 11,972,222,390.71
  5. Step 5: Solve for x
    x = 11,972,222,390.71/147,572.32
  6. Step 6: Final answer
    x = 81,127.83

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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.