Home / 199,645.76-275,635.51-127,089.61

Finding the Fourth Proportional to 199,645.76, 275,635.51 and 127,089.61

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Solution

The fourth proportional to 199,645.76, 275,635.51 and 127,089.61 is: 175,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,645.76 : 275,635.51 = 127,089.61 : x
  2. Step 2: Convert to fraction form
    199,645.76/275,635.51 = 127,089.61/x
  3. Step 3: Cross multiply
    199,645.76x = 275,635.51 × 127,089.61
  4. Step 4: Simplify right side
    199,645.76x = 35,030,408,461.24
  5. Step 5: Solve for x
    x = 35,030,408,461.24/199,645.76
  6. Step 6: Final answer
    x = 175,462.82

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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.