Home / 144,066.40-198,731.76-84,438.88

Finding the Fourth Proportional to 144,066.40, 198,731.76 and 84,438.88

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Solution

The fourth proportional to 144,066.40, 198,731.76 and 84,438.88 is: 116,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,066.40 : 198,731.76 = 84,438.88 : x
  2. Step 2: Convert to fraction form
    144,066.40/198,731.76 = 84,438.88/x
  3. Step 3: Cross multiply
    144,066.40x = 198,731.76 × 84,438.88
  4. Step 4: Simplify right side
    144,066.40x = 16,780,687,234.83
  5. Step 5: Solve for x
    x = 16,780,687,234.83/144,066.40
  6. Step 6: Final answer
    x = 116,478.84

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1.5x scale

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.