Home / 132,218.06-182,442.56-77,772.69

Finding the Fourth Proportional to 132,218.06, 182,442.56 and 77,772.69

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Solution

The fourth proportional to 132,218.06, 182,442.56 and 77,772.69 is: 107,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.06 : 182,442.56 = 77,772.69 : x
  2. Step 2: Convert to fraction form
    132,218.06/182,442.56 = 77,772.69/x
  3. Step 3: Cross multiply
    132,218.06x = 182,442.56 × 77,772.69
  4. Step 4: Simplify right side
    132,218.06x = 14,189,048,272.82
  5. Step 5: Solve for x
    x = 14,189,048,272.82/132,218.06
  6. Step 6: Final answer
    x = 107,315.51

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1.5x scale

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.