Home / 126,287.93-189,837.87-101,602.17

Finding the Fourth Proportional to 126,287.93, 189,837.87 and 101,602.17

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Solution

The fourth proportional to 126,287.93, 189,837.87 and 101,602.17 is: 152,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.93 : 189,837.87 = 101,602.17 : x
  2. Step 2: Convert to fraction form
    126,287.93/189,837.87 = 101,602.17/x
  3. Step 3: Cross multiply
    126,287.93x = 189,837.87 × 101,602.17
  4. Step 4: Simplify right side
    126,287.93x = 19,287,939,540.18
  5. Step 5: Solve for x
    x = 19,287,939,540.18/126,287.93
  6. Step 6: Final answer
    x = 152,729.87

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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.