Home / 134,290.28-185,311.53-76,929.86

Finding the Fourth Proportional to 134,290.28, 185,311.53 and 76,929.86

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Solution

The fourth proportional to 134,290.28, 185,311.53 and 76,929.86 is: 106,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,290.28 : 185,311.53 = 76,929.86 : x
  2. Step 2: Convert to fraction form
    134,290.28/185,311.53 = 76,929.86/x
  3. Step 3: Cross multiply
    134,290.28x = 185,311.53 × 76,929.86
  4. Step 4: Simplify right side
    134,290.28x = 14,255,989,132.73
  5. Step 5: Solve for x
    x = 14,255,989,132.73/134,290.28
  6. Step 6: Final answer
    x = 106,158.02

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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.