Home / 140,458.38-193,818.69-80,024.28

Finding the Fourth Proportional to 140,458.38, 193,818.69 and 80,024.28

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Solution

The fourth proportional to 140,458.38, 193,818.69 and 80,024.28 is: 110,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,458.38 : 193,818.69 = 80,024.28 : x
  2. Step 2: Convert to fraction form
    140,458.38/193,818.69 = 80,024.28/x
  3. Step 3: Cross multiply
    140,458.38x = 193,818.69 × 80,024.28
  4. Step 4: Simplify right side
    140,458.38x = 15,510,201,117.79
  5. Step 5: Solve for x
    x = 15,510,201,117.79/140,458.38
  6. Step 6: Final answer
    x = 110,425.60

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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.