Home / 156,918.60-235,377.90-144,016.20

Finding the Fourth Proportional to 156,918.60, 235,377.90 and 144,016.20

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Solution

The fourth proportional to 156,918.60, 235,377.90 and 144,016.20 is: 216,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.60 : 235,377.90 = 144,016.20 : x
  2. Step 2: Convert to fraction form
    156,918.60/235,377.90 = 144,016.20/x
  3. Step 3: Cross multiply
    156,918.60x = 235,377.90 × 144,016.20
  4. Step 4: Simplify right side
    156,918.60x = 33,898,230,721.98
  5. Step 5: Solve for x
    x = 33,898,230,721.98/156,918.60
  6. Step 6: Final answer
    x = 216,024.30

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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.