Home / 118,180.35-163,125.27-72,872.55

Finding the Fourth Proportional to 118,180.35, 163,125.27 and 72,872.55

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Solution

The fourth proportional to 118,180.35, 163,125.27 and 72,872.55 is: 100,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,180.35 : 163,125.27 = 72,872.55 : x
  2. Step 2: Convert to fraction form
    118,180.35/163,125.27 = 72,872.55/x
  3. Step 3: Cross multiply
    118,180.35x = 163,125.27 × 72,872.55
  4. Step 4: Simplify right side
    118,180.35x = 11,887,354,394.34
  5. Step 5: Solve for x
    x = 11,887,354,394.34/118,180.35
  6. Step 6: Final answer
    x = 100,586.56

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1.5x scale

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.