Home / 147,319.93-203,301.53-80,251.93

Finding the Fourth Proportional to 147,319.93, 203,301.53 and 80,251.93

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Solution

The fourth proportional to 147,319.93, 203,301.53 and 80,251.93 is: 110,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,319.93 : 203,301.53 = 80,251.93 : x
  2. Step 2: Convert to fraction form
    147,319.93/203,301.53 = 80,251.93/x
  3. Step 3: Cross multiply
    147,319.93x = 203,301.53 × 80,251.93
  4. Step 4: Simplify right side
    147,319.93x = 16,315,340,154.45
  5. Step 5: Solve for x
    x = 16,315,340,154.45/147,319.93
  6. Step 6: Final answer
    x = 110,747.68

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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.