Home / 146,954.42-220,247.22-79,483.76

Finding the Fourth Proportional to 146,954.42, 220,247.22 and 79,483.76

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Solution

The fourth proportional to 146,954.42, 220,247.22 and 79,483.76 is: 119,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,954.42 : 220,247.22 = 79,483.76 : x
  2. Step 2: Convert to fraction form
    146,954.42/220,247.22 = 79,483.76/x
  3. Step 3: Cross multiply
    146,954.42x = 220,247.22 × 79,483.76
  4. Step 4: Simplify right side
    146,954.42x = 17,506,077,175.15
  5. Step 5: Solve for x
    x = 17,506,077,175.15/146,954.42
  6. Step 6: Final answer
    x = 119,125.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.