Home / 147,585.59-221,489.11-104,885.79

Finding the Fourth Proportional to 147,585.59, 221,489.11 and 104,885.79

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Solution

The fourth proportional to 147,585.59, 221,489.11 and 104,885.79 is: 157,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,585.59 : 221,489.11 = 104,885.79 : x
  2. Step 2: Convert to fraction form
    147,585.59/221,489.11 = 104,885.79/x
  3. Step 3: Cross multiply
    147,585.59x = 221,489.11 × 104,885.79
  4. Step 4: Simplify right side
    147,585.59x = 23,231,059,284.28
  5. Step 5: Solve for x
    x = 23,231,059,284.28/147,585.59
  6. Step 6: Final answer
    x = 157,407.36

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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.