Home / 124,113.62-186,151.97-45,209.39

Finding the Fourth Proportional to 124,113.62, 186,151.97 and 45,209.39

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Solution

The fourth proportional to 124,113.62, 186,151.97 and 45,209.39 is: 67,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,113.62 : 186,151.97 = 45,209.39 : x
  2. Step 2: Convert to fraction form
    124,113.62/186,151.97 = 45,209.39/x
  3. Step 3: Cross multiply
    124,113.62x = 186,151.97 × 45,209.39
  4. Step 4: Simplify right side
    124,113.62x = 8,415,817,240.37
  5. Step 5: Solve for x
    x = 8,415,817,240.37/124,113.62
  6. Step 6: Final answer
    x = 67,807.36

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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.