Home / 187,869.79-281,841.63-69,542.16

Finding the Fourth Proportional to 187,869.79, 281,841.63 and 69,542.16

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Solution

The fourth proportional to 187,869.79, 281,841.63 and 69,542.16 is: 104,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,869.79 : 281,841.63 = 69,542.16 : x
  2. Step 2: Convert to fraction form
    187,869.79/281,841.63 = 69,542.16/x
  3. Step 3: Cross multiply
    187,869.79x = 281,841.63 × 69,542.16
  4. Step 4: Simplify right side
    187,869.79x = 19,599,875,728.12
  5. Step 5: Solve for x
    x = 19,599,875,728.12/187,869.79
  6. Step 6: Final answer
    x = 104,326.92

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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.