Home / 108,189.16-149,298.30-60,442.85

Finding the Fourth Proportional to 108,189.16, 149,298.30 and 60,442.85

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Solution

The fourth proportional to 108,189.16, 149,298.30 and 60,442.85 is: 83,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,189.16 : 149,298.30 = 60,442.85 : x
  2. Step 2: Convert to fraction form
    108,189.16/149,298.30 = 60,442.85/x
  3. Step 3: Cross multiply
    108,189.16x = 149,298.30 × 60,442.85
  4. Step 4: Simplify right side
    108,189.16x = 9,024,014,752.16
  5. Step 5: Solve for x
    x = 9,024,014,752.16/108,189.16
  6. Step 6: Final answer
    x = 83,409.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.