Home / 155,251.40-232,877.10-108,012.20

Finding the Fourth Proportional to 155,251.40, 232,877.10 and 108,012.20

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Solution

The fourth proportional to 155,251.40, 232,877.10 and 108,012.20 is: 162,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,251.40 : 232,877.10 = 108,012.20 : x
  2. Step 2: Convert to fraction form
    155,251.40/232,877.10 = 108,012.20/x
  3. Step 3: Cross multiply
    155,251.40x = 232,877.10 × 108,012.20
  4. Step 4: Simplify right side
    155,251.40x = 25,153,567,900.62
  5. Step 5: Solve for x
    x = 25,153,567,900.62/155,251.40
  6. Step 6: Final answer
    x = 162,018.30

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1.5x scale

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.