Home / 155,250.40-232,875.60-108,011.20

Finding the Fourth Proportional to 155,250.40, 232,875.60 and 108,011.20

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Solution

The fourth proportional to 155,250.40, 232,875.60 and 108,011.20 is: 162,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,250.40 : 232,875.60 = 108,011.20 : x
  2. Step 2: Convert to fraction form
    155,250.40/232,875.60 = 108,011.20/x
  3. Step 3: Cross multiply
    155,250.40x = 232,875.60 × 108,011.20
  4. Step 4: Simplify right side
    155,250.40x = 25,153,173,006.72
  5. Step 5: Solve for x
    x = 25,153,173,006.72/155,250.40
  6. Step 6: Final answer
    x = 162,016.80

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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.