Home / 187,386.77-281,061.93-103,119.23

Finding the Fourth Proportional to 187,386.77, 281,061.93 and 103,119.23

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Solution

The fourth proportional to 187,386.77, 281,061.93 and 103,119.23 is: 154,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,386.77 : 281,061.93 = 103,119.23 : x
  2. Step 2: Convert to fraction form
    187,386.77/281,061.93 = 103,119.23/x
  3. Step 3: Cross multiply
    187,386.77x = 281,061.93 × 103,119.23
  4. Step 4: Simplify right side
    187,386.77x = 28,982,890,893.27
  5. Step 5: Solve for x
    x = 28,982,890,893.27/187,386.77
  6. Step 6: Final answer
    x = 154,668.82

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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.