Home / 99,587.76-149,226.08-84,735.60

Finding the Fourth Proportional to 99,587.76, 149,226.08 and 84,735.60

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Solution

The fourth proportional to 99,587.76, 149,226.08 and 84,735.60 is: 126,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.76 : 149,226.08 = 84,735.60 : x
  2. Step 2: Convert to fraction form
    99,587.76/149,226.08 = 84,735.60/x
  3. Step 3: Cross multiply
    99,587.76x = 149,226.08 × 84,735.60
  4. Step 4: Simplify right side
    99,587.76x = 12,644,761,424.45
  5. Step 5: Solve for x
    x = 12,644,761,424.45/99,587.76
  6. Step 6: Final answer
    x = 126,971.04

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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.