Home / 162,764.20-243,800.70-135,116.20

Finding the Fourth Proportional to 162,764.20, 243,800.70 and 135,116.20

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Solution

The fourth proportional to 162,764.20, 243,800.70 and 135,116.20 is: 202,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,764.20 : 243,800.70 = 135,116.20 : x
  2. Step 2: Convert to fraction form
    162,764.20/243,800.70 = 135,116.20/x
  3. Step 3: Cross multiply
    162,764.20x = 243,800.70 × 135,116.20
  4. Step 4: Simplify right side
    162,764.20x = 32,941,424,141.34
  5. Step 5: Solve for x
    x = 32,941,424,141.34/162,764.20
  6. Step 6: Final answer
    x = 202,387.41

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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.