Home / 123,502.60-185,253.36-30,008.64

Finding the Fourth Proportional to 123,502.60, 185,253.36 and 30,008.64

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Solution

The fourth proportional to 123,502.60, 185,253.36 and 30,008.64 is: 45,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,502.60 : 185,253.36 = 30,008.64 : x
  2. Step 2: Convert to fraction form
    123,502.60/185,253.36 = 30,008.64/x
  3. Step 3: Cross multiply
    123,502.60x = 185,253.36 × 30,008.64
  4. Step 4: Simplify right side
    123,502.60x = 5,559,201,389.03
  5. Step 5: Solve for x
    x = 5,559,201,389.03/123,502.60
  6. Step 6: Final answer
    x = 45,012.83

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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.