Home / 108,501.60-162,752.40-71,176.80

Finding the Fourth Proportional to 108,501.60, 162,752.40 and 71,176.80

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Solution

The fourth proportional to 108,501.60, 162,752.40 and 71,176.80 is: 106,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,501.60 : 162,752.40 = 71,176.80 : x
  2. Step 2: Convert to fraction form
    108,501.60/162,752.40 = 71,176.80/x
  3. Step 3: Cross multiply
    108,501.60x = 162,752.40 × 71,176.80
  4. Step 4: Simplify right side
    108,501.60x = 11,584,195,024.32
  5. Step 5: Solve for x
    x = 11,584,195,024.32/108,501.60
  6. Step 6: Final answer
    x = 106,765.20

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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.