Home / 156,040.80-234,061.20-152,930.40

Finding the Fourth Proportional to 156,040.80, 234,061.20 and 152,930.40

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Solution

The fourth proportional to 156,040.80, 234,061.20 and 152,930.40 is: 229,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,040.80 : 234,061.20 = 152,930.40 : x
  2. Step 2: Convert to fraction form
    156,040.80/234,061.20 = 152,930.40/x
  3. Step 3: Cross multiply
    156,040.80x = 234,061.20 × 152,930.40
  4. Step 4: Simplify right side
    156,040.80x = 35,795,072,940.48
  5. Step 5: Solve for x
    x = 35,795,072,940.48/156,040.80
  6. Step 6: Final answer
    x = 229,395.60

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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.