Home / 147,666.29-221,502.57-52,902.64

Finding the Fourth Proportional to 147,666.29, 221,502.57 and 52,902.64

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Solution

The fourth proportional to 147,666.29, 221,502.57 and 52,902.64 is: 79,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,666.29 : 221,502.57 = 52,902.64 : x
  2. Step 2: Convert to fraction form
    147,666.29/221,502.57 = 52,902.64/x
  3. Step 3: Cross multiply
    147,666.29x = 221,502.57 × 52,902.64
  4. Step 4: Simplify right side
    147,666.29x = 11,718,070,719.78
  5. Step 5: Solve for x
    x = 11,718,070,719.78/147,666.29
  6. Step 6: Final answer
    x = 79,355.08

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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.