Home / 140,748.80-194,226.12-77,085.23

Finding the Fourth Proportional to 140,748.80, 194,226.12 and 77,085.23

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Solution

The fourth proportional to 140,748.80, 194,226.12 and 77,085.23 is: 106,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,748.80 : 194,226.12 = 77,085.23 : x
  2. Step 2: Convert to fraction form
    140,748.80/194,226.12 = 77,085.23/x
  3. Step 3: Cross multiply
    140,748.80x = 194,226.12 × 77,085.23
  4. Step 4: Simplify right side
    140,748.80x = 14,971,964,161.08
  5. Step 5: Solve for x
    x = 14,971,964,161.08/140,748.80
  6. Step 6: Final answer
    x = 106,373.66

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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.