Home / 124,279.10-186,449.70-40,047.20

Finding the Fourth Proportional to 124,279.10, 186,449.70 and 40,047.20

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Solution

The fourth proportional to 124,279.10, 186,449.70 and 40,047.20 is: 60,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,279.10 : 186,449.70 = 40,047.20 : x
  2. Step 2: Convert to fraction form
    124,279.10/186,449.70 = 40,047.20/x
  3. Step 3: Cross multiply
    124,279.10x = 186,449.70 × 40,047.20
  4. Step 4: Simplify right side
    124,279.10x = 7,466,788,425.84
  5. Step 5: Solve for x
    x = 7,466,788,425.84/124,279.10
  6. Step 6: Final answer
    x = 60,080.81

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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.