Home / 108,133.72-149,226.77-60,387.11

Finding the Fourth Proportional to 108,133.72, 149,226.77 and 60,387.11

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Solution

The fourth proportional to 108,133.72, 149,226.77 and 60,387.11 is: 83,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,133.72 : 149,226.77 = 60,387.11 : x
  2. Step 2: Convert to fraction form
    108,133.72/149,226.77 = 60,387.11/x
  3. Step 3: Cross multiply
    108,133.72x = 149,226.77 × 60,387.11
  4. Step 4: Simplify right side
    108,133.72x = 9,011,373,374.93
  5. Step 5: Solve for x
    x = 9,011,373,374.93/108,133.72
  6. Step 6: Final answer
    x = 83,335.46

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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.