Home / 162,387.20-243,617.70-73,666.10

Finding the Fourth Proportional to 162,387.20, 243,617.70 and 73,666.10

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Solution

The fourth proportional to 162,387.20, 243,617.70 and 73,666.10 is: 110,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,387.20 : 243,617.70 = 73,666.10 : x
  2. Step 2: Convert to fraction form
    162,387.20/243,617.70 = 73,666.10/x
  3. Step 3: Cross multiply
    162,387.20x = 243,617.70 × 73,666.10
  4. Step 4: Simplify right side
    162,387.20x = 17,946,365,849.97
  5. Step 5: Solve for x
    x = 17,946,365,849.97/162,387.20
  6. Step 6: Final answer
    x = 110,515.89

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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.