Home / 123,318.02-185,000.35-39,099.38

Finding the Fourth Proportional to 123,318.02, 185,000.35 and 39,099.38

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Solution

The fourth proportional to 123,318.02, 185,000.35 and 39,099.38 is: 58,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,318.02 : 185,000.35 = 39,099.38 : x
  2. Step 2: Convert to fraction form
    123,318.02/185,000.35 = 39,099.38/x
  3. Step 3: Cross multiply
    123,318.02x = 185,000.35 × 39,099.38
  4. Step 4: Simplify right side
    123,318.02x = 7,233,398,984.78
  5. Step 5: Solve for x
    x = 7,233,398,984.78/123,318.02
  6. Step 6: Final answer
    x = 58,656.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.