Home / 162,008.20-243,012.30-147,233.80

Finding the Fourth Proportional to 162,008.20, 243,012.30 and 147,233.80

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Solution

The fourth proportional to 162,008.20, 243,012.30 and 147,233.80 is: 220,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.20 : 243,012.30 = 147,233.80 : x
  2. Step 2: Convert to fraction form
    162,008.20/243,012.30 = 147,233.80/x
  3. Step 3: Cross multiply
    162,008.20x = 243,012.30 × 147,233.80
  4. Step 4: Simplify right side
    162,008.20x = 35,779,624,375.74
  5. Step 5: Solve for x
    x = 35,779,624,375.74/162,008.20
  6. Step 6: Final answer
    x = 220,850.70

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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.