Home / 108,158.47-149,257.81-59,760.25

Finding the Fourth Proportional to 108,158.47, 149,257.81 and 59,760.25

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Solution

The fourth proportional to 108,158.47, 149,257.81 and 59,760.25 is: 82,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,158.47 : 149,257.81 = 59,760.25 : x
  2. Step 2: Convert to fraction form
    108,158.47/149,257.81 = 59,760.25/x
  3. Step 3: Cross multiply
    108,158.47x = 149,257.81 × 59,760.25
  4. Step 4: Simplify right side
    108,158.47x = 8,919,684,040.05
  5. Step 5: Solve for x
    x = 8,919,684,040.05/108,158.47
  6. Step 6: Final answer
    x = 82,468.66

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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.