Home / 126,835.38-190,254.87-60,282.18

Finding the Fourth Proportional to 126,835.38, 190,254.87 and 60,282.18

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Solution

The fourth proportional to 126,835.38, 190,254.87 and 60,282.18 is: 90,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.38 : 190,254.87 = 60,282.18 : x
  2. Step 2: Convert to fraction form
    126,835.38/190,254.87 = 60,282.18/x
  3. Step 3: Cross multiply
    126,835.38x = 190,254.87 × 60,282.18
  4. Step 4: Simplify right side
    126,835.38x = 11,468,978,319.22
  5. Step 5: Solve for x
    x = 11,468,978,319.22/126,835.38
  6. Step 6: Final answer
    x = 90,424.13

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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.