Home / 134,644.38-185,810.52-74,217.36

Finding the Fourth Proportional to 134,644.38, 185,810.52 and 74,217.36

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Solution

The fourth proportional to 134,644.38, 185,810.52 and 74,217.36 is: 102,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,644.38 : 185,810.52 = 74,217.36 : x
  2. Step 2: Convert to fraction form
    134,644.38/185,810.52 = 74,217.36/x
  3. Step 3: Cross multiply
    134,644.38x = 185,810.52 × 74,217.36
  4. Step 4: Simplify right side
    134,644.38x = 13,790,366,254.63
  5. Step 5: Solve for x
    x = 13,790,366,254.63/134,644.38
  6. Step 6: Final answer
    x = 102,420.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.