Home / 202,148.72-278,754.18-140,966.04

Finding the Fourth Proportional to 202,148.72, 278,754.18 and 140,966.04

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Solution

The fourth proportional to 202,148.72, 278,754.18 and 140,966.04 is: 194,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,148.72 : 278,754.18 = 140,966.04 : x
  2. Step 2: Convert to fraction form
    202,148.72/278,754.18 = 140,966.04/x
  3. Step 3: Cross multiply
    202,148.72x = 278,754.18 × 140,966.04
  4. Step 4: Simplify right side
    202,148.72x = 39,294,872,888.05
  5. Step 5: Solve for x
    x = 39,294,872,888.05/202,148.72
  6. Step 6: Final answer
    x = 194,385.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.