Home / 199,397.87-275,211.65-114,561.71

Finding the Fourth Proportional to 199,397.87, 275,211.65 and 114,561.71

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Solution

The fourth proportional to 199,397.87, 275,211.65 and 114,561.71 is: 158,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397.87 : 275,211.65 = 114,561.71 : x
  2. Step 2: Convert to fraction form
    199,397.87/275,211.65 = 114,561.71/x
  3. Step 3: Cross multiply
    199,397.87x = 275,211.65 × 114,561.71
  4. Step 4: Simplify right side
    199,397.87x = 31,528,717,235.92
  5. Step 5: Solve for x
    x = 31,528,717,235.92/199,397.87
  6. Step 6: Final answer
    x = 158,119.63

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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.