Home / 124,074-185,962.77-45,145.26

Finding the Fourth Proportional to 124,074, 185,962.77 and 45,145.26

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Solution

The fourth proportional to 124,074, 185,962.77 and 45,145.26 is: 67,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,074 : 185,962.77 = 45,145.26 : x
  2. Step 2: Convert to fraction form
    124,074/185,962.77 = 45,145.26/x
  3. Step 3: Cross multiply
    124,074x = 185,962.77 × 45,145.26
  4. Step 4: Simplify right side
    124,074x = 8,395,337,601.97
  5. Step 5: Solve for x
    x = 8,395,337,601.97/124,074
  6. Step 6: Final answer
    x = 67,663.96

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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.