Home / 124,146.36-185,889.06-84,780.36

Finding the Fourth Proportional to 124,146.36, 185,889.06 and 84,780.36

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Solution

The fourth proportional to 124,146.36, 185,889.06 and 84,780.36 is: 126,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,146.36 : 185,889.06 = 84,780.36 : x
  2. Step 2: Convert to fraction form
    124,146.36/185,889.06 = 84,780.36/x
  3. Step 3: Cross multiply
    124,146.36x = 185,889.06 × 84,780.36
  4. Step 4: Simplify right side
    124,146.36x = 15,759,741,426.86
  5. Step 5: Solve for x
    x = 15,759,741,426.86/124,146.36
  6. Step 6: Final answer
    x = 126,944.85

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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.