Home / 175,287.60-262,931.40-108,511.20

Finding the Fourth Proportional to 175,287.60, 262,931.40 and 108,511.20

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Solution

The fourth proportional to 175,287.60, 262,931.40 and 108,511.20 is: 162,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,287.60 : 262,931.40 = 108,511.20 : x
  2. Step 2: Convert to fraction form
    175,287.60/262,931.40 = 108,511.20/x
  3. Step 3: Cross multiply
    175,287.60x = 262,931.40 × 108,511.20
  4. Step 4: Simplify right side
    175,287.60x = 28,531,001,731.68
  5. Step 5: Solve for x
    x = 28,531,001,731.68/175,287.60
  6. Step 6: Final answer
    x = 162,766.80

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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.