Home / 199,698.30-275,255.55-141,574.86

Finding the Fourth Proportional to 199,698.30, 275,255.55 and 141,574.86

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Solution

The fourth proportional to 199,698.30, 275,255.55 and 141,574.86 is: 195,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,698.30 : 275,255.55 = 141,574.86 : x
  2. Step 2: Convert to fraction form
    199,698.30/275,255.55 = 141,574.86/x
  3. Step 3: Cross multiply
    199,698.30x = 275,255.55 × 141,574.86
  4. Step 4: Simplify right side
    199,698.30x = 38,969,265,955.47
  5. Step 5: Solve for x
    x = 38,969,265,955.47/199,698.30
  6. Step 6: Final answer
    x = 195,140.70

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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.