Home / 131,982-198,006.04-38,487.76

Finding the Fourth Proportional to 131,982, 198,006.04 and 38,487.76

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Solution

The fourth proportional to 131,982, 198,006.04 and 38,487.76 is: 57,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,982 : 198,006.04 = 38,487.76 : x
  2. Step 2: Convert to fraction form
    131,982/198,006.04 = 38,487.76/x
  3. Step 3: Cross multiply
    131,982x = 198,006.04 × 38,487.76
  4. Step 4: Simplify right side
    131,982x = 7,620,808,946.07
  5. Step 5: Solve for x
    x = 7,620,808,946.07/131,982
  6. Step 6: Final answer
    x = 57,741.27

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1.5x scale

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.