Home / 156,982.20-235,473.30-145,001.40

Finding the Fourth Proportional to 156,982.20, 235,473.30 and 145,001.40

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Solution

The fourth proportional to 156,982.20, 235,473.30 and 145,001.40 is: 217,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.20 : 235,473.30 = 145,001.40 : x
  2. Step 2: Convert to fraction form
    156,982.20/235,473.30 = 145,001.40/x
  3. Step 3: Cross multiply
    156,982.20x = 235,473.30 × 145,001.40
  4. Step 4: Simplify right side
    156,982.20x = 34,143,958,162.62
  5. Step 5: Solve for x
    x = 34,143,958,162.62/156,982.20
  6. Step 6: Final answer
    x = 217,502.10

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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.