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Finding the Fourth Proportional to 153,751.04, 230,211.20 and 79,723.52

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Solution

The fourth proportional to 153,751.04, 230,211.20 and 79,723.52 is: 119,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,751.04 : 230,211.20 = 79,723.52 : x
  2. Step 2: Convert to fraction form
    153,751.04/230,211.20 = 79,723.52/x
  3. Step 3: Cross multiply
    153,751.04x = 230,211.20 × 79,723.52
  4. Step 4: Simplify right side
    153,751.04x = 18,353,247,207.42
  5. Step 5: Solve for x
    x = 18,353,247,207.42/153,751.04
  6. Step 6: Final answer
    x = 119,369.91

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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.