Home / 134,578.88-185,721.26-74,149.13

Finding the Fourth Proportional to 134,578.88, 185,721.26 and 74,149.13

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Solution

The fourth proportional to 134,578.88, 185,721.26 and 74,149.13 is: 102,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,578.88 : 185,721.26 = 74,149.13 : x
  2. Step 2: Convert to fraction form
    134,578.88/185,721.26 = 74,149.13/x
  3. Step 3: Cross multiply
    134,578.88x = 185,721.26 × 74,149.13
  4. Step 4: Simplify right side
    134,578.88x = 13,771,069,945.06
  5. Step 5: Solve for x
    x = 13,771,069,945.06/134,578.88
  6. Step 6: Final answer
    x = 102,327.13

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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.