Home / 187,395.24-281,074.56-103,127.70

Finding the Fourth Proportional to 187,395.24, 281,074.56 and 103,127.70

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Solution

The fourth proportional to 187,395.24, 281,074.56 and 103,127.70 is: 154,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,395.24 : 281,074.56 = 103,127.70 : x
  2. Step 2: Convert to fraction form
    187,395.24/281,074.56 = 103,127.70/x
  3. Step 3: Cross multiply
    187,395.24x = 281,074.56 × 103,127.70
  4. Step 4: Simplify right side
    187,395.24x = 28,986,572,901.31
  5. Step 5: Solve for x
    x = 28,986,572,901.31/187,395.24
  6. Step 6: Final answer
    x = 154,681.48

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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.