Home / 282,146.16-423,243.84-92,549.66

Finding the Fourth Proportional to 282,146.16, 423,243.84 and 92,549.66

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Solution

The fourth proportional to 282,146.16, 423,243.84 and 92,549.66 is: 138,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,146.16 : 423,243.84 = 92,549.66 : x
  2. Step 2: Convert to fraction form
    282,146.16/423,243.84 = 92,549.66/x
  3. Step 3: Cross multiply
    282,146.16x = 423,243.84 × 92,549.66
  4. Step 4: Simplify right side
    282,146.16x = 39,171,071,372.88
  5. Step 5: Solve for x
    x = 39,171,071,372.88/282,146.16
  6. Step 6: Final answer
    x = 138,832.55

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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.