Home / 108,723.80-150,045.28-60,979.80

Finding the Fourth Proportional to 108,723.80, 150,045.28 and 60,979.80

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Solution

The fourth proportional to 108,723.80, 150,045.28 and 60,979.80 is: 84,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,723.80 : 150,045.28 = 60,979.80 : x
  2. Step 2: Convert to fraction form
    108,723.80/150,045.28 = 60,979.80/x
  3. Step 3: Cross multiply
    108,723.80x = 150,045.28 × 60,979.80
  4. Step 4: Simplify right side
    108,723.80x = 9,149,731,165.34
  5. Step 5: Solve for x
    x = 9,149,731,165.34/108,723.80
  6. Step 6: Final answer
    x = 84,155.73

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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.