Home / 199,391.47-275,150.52-118,817.20

Finding the Fourth Proportional to 199,391.47, 275,150.52 and 118,817.20

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Solution

The fourth proportional to 199,391.47, 275,150.52 and 118,817.20 is: 163,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,391.47 : 275,150.52 = 118,817.20 : x
  2. Step 2: Convert to fraction form
    199,391.47/275,150.52 = 118,817.20/x
  3. Step 3: Cross multiply
    199,391.47x = 275,150.52 × 118,817.20
  4. Step 4: Simplify right side
    199,391.47x = 32,692,614,364.94
  5. Step 5: Solve for x
    x = 32,692,614,364.94/199,391.47
  6. Step 6: Final answer
    x = 163,961.95

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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.