Home / 124,387.66-186,600.03-40,120.12

Finding the Fourth Proportional to 124,387.66, 186,600.03 and 40,120.12

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Solution

The fourth proportional to 124,387.66, 186,600.03 and 40,120.12 is: 60,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,387.66 : 186,600.03 = 40,120.12 : x
  2. Step 2: Convert to fraction form
    124,387.66/186,600.03 = 40,120.12/x
  3. Step 3: Cross multiply
    124,387.66x = 186,600.03 × 40,120.12
  4. Step 4: Simplify right side
    124,387.66x = 7,486,415,595.60
  5. Step 5: Solve for x
    x = 7,486,415,595.60/124,387.66
  6. Step 6: Final answer
    x = 60,186.16

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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.