Home / 156,933.60-235,400.40-144,031.20

Finding the Fourth Proportional to 156,933.60, 235,400.40 and 144,031.20

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Solution

The fourth proportional to 156,933.60, 235,400.40 and 144,031.20 is: 216,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.60 : 235,400.40 = 144,031.20 : x
  2. Step 2: Convert to fraction form
    156,933.60/235,400.40 = 144,031.20/x
  3. Step 3: Cross multiply
    156,933.60x = 235,400.40 × 144,031.20
  4. Step 4: Simplify right side
    156,933.60x = 33,905,002,092.48
  5. Step 5: Solve for x
    x = 33,905,002,092.48/156,933.60
  6. Step 6: Final answer
    x = 216,046.80

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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.