Home / 162,002.20-243,003.30-102,904.60

Finding the Fourth Proportional to 162,002.20, 243,003.30 and 102,904.60

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Solution

The fourth proportional to 162,002.20, 243,003.30 and 102,904.60 is: 154,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.20 : 243,003.30 = 102,904.60 : x
  2. Step 2: Convert to fraction form
    162,002.20/243,003.30 = 102,904.60/x
  3. Step 3: Cross multiply
    162,002.20x = 243,003.30 × 102,904.60
  4. Step 4: Simplify right side
    162,002.20x = 25,006,157,385.18
  5. Step 5: Solve for x
    x = 25,006,157,385.18/162,002.20
  6. Step 6: Final answer
    x = 154,356.90

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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.