Home / 134,743.44-185,943.60-74,319.72

Finding the Fourth Proportional to 134,743.44, 185,943.60 and 74,319.72

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Solution

The fourth proportional to 134,743.44, 185,943.60 and 74,319.72 is: 102,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,743.44 : 185,943.60 = 74,319.72 : x
  2. Step 2: Convert to fraction form
    134,743.44/185,943.60 = 74,319.72/x
  3. Step 3: Cross multiply
    134,743.44x = 185,943.60 × 74,319.72
  4. Step 4: Simplify right side
    134,743.44x = 13,819,276,287.79
  5. Step 5: Solve for x
    x = 13,819,276,287.79/134,743.44
  6. Step 6: Final answer
    x = 102,559.92

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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.