Home / 124,923.85-187,398.90-40,690.58

Finding the Fourth Proportional to 124,923.85, 187,398.90 and 40,690.58

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Solution

The fourth proportional to 124,923.85, 187,398.90 and 40,690.58 is: 61,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,923.85 : 187,398.90 = 40,690.58 : x
  2. Step 2: Convert to fraction form
    124,923.85/187,398.90 = 40,690.58/x
  3. Step 3: Cross multiply
    124,923.85x = 187,398.90 × 40,690.58
  4. Step 4: Simplify right side
    124,923.85x = 7,625,368,791.91
  5. Step 5: Solve for x
    x = 7,625,368,791.91/124,923.85
  6. Step 6: Final answer
    x = 61,040.14

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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.