Home / 140,034.82-193,245.70-76,368.82

Finding the Fourth Proportional to 140,034.82, 193,245.70 and 76,368.82

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Solution

The fourth proportional to 140,034.82, 193,245.70 and 76,368.82 is: 105,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,034.82 : 193,245.70 = 76,368.82 : x
  2. Step 2: Convert to fraction form
    140,034.82/193,245.70 = 76,368.82/x
  3. Step 3: Cross multiply
    140,034.82x = 193,245.70 × 76,368.82
  4. Step 4: Simplify right side
    140,034.82x = 14,757,946,079.07
  5. Step 5: Solve for x
    x = 14,757,946,079.07/140,034.82
  6. Step 6: Final answer
    x = 105,387.69

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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.