Home / 158,608.20-218,764.56-134,697

Finding the Fourth Proportional to 158,608.20, 218,764.56 and 134,697

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Solution

The fourth proportional to 158,608.20, 218,764.56 and 134,697 is: 185,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,608.20 : 218,764.56 = 134,697 : x
  2. Step 2: Convert to fraction form
    158,608.20/218,764.56 = 134,697/x
  3. Step 3: Cross multiply
    158,608.20x = 218,764.56 × 134,697
  4. Step 4: Simplify right side
    158,608.20x = 29,466,929,938.32
  5. Step 5: Solve for x
    x = 29,466,929,938.32/158,608.20
  6. Step 6: Final answer
    x = 185,784.40

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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.