Home / 126,950.58-190,218.10-77,045.97

Finding the Fourth Proportional to 126,950.58, 190,218.10 and 77,045.97

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Solution

The fourth proportional to 126,950.58, 190,218.10 and 77,045.97 is: 115,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.58 : 190,218.10 = 77,045.97 : x
  2. Step 2: Convert to fraction form
    126,950.58/190,218.10 = 77,045.97/x
  3. Step 3: Cross multiply
    126,950.58x = 190,218.10 × 77,045.97
  4. Step 4: Simplify right side
    126,950.58x = 14,655,538,026.06
  5. Step 5: Solve for x
    x = 14,655,538,026.06/126,950.58
  6. Step 6: Final answer
    x = 115,442.86

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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.