Home / 108,127.70-149,216.54-60,382.86

Finding the Fourth Proportional to 108,127.70, 149,216.54 and 60,382.86

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Solution

The fourth proportional to 108,127.70, 149,216.54 and 60,382.86 is: 83,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,127.70 : 149,216.54 = 60,382.86 : x
  2. Step 2: Convert to fraction form
    108,127.70/149,216.54 = 60,382.86/x
  3. Step 3: Cross multiply
    108,127.70x = 149,216.54 × 60,382.86
  4. Step 4: Simplify right side
    108,127.70x = 9,010,121,444.50
  5. Step 5: Solve for x
    x = 9,010,121,444.50/108,127.70
  6. Step 6: Final answer
    x = 83,328.52

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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.