Home / 140,709.13-194,176.67-77,046.93

Finding the Fourth Proportional to 140,709.13, 194,176.67 and 77,046.93

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Solution

The fourth proportional to 140,709.13, 194,176.67 and 77,046.93 is: 106,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,709.13 : 194,176.67 = 77,046.93 : x
  2. Step 2: Convert to fraction form
    140,709.13/194,176.67 = 77,046.93/x
  3. Step 3: Cross multiply
    140,709.13x = 194,176.67 × 77,046.93
  4. Step 4: Simplify right side
    140,709.13x = 14,960,716,301.12
  5. Step 5: Solve for x
    x = 14,960,716,301.12/140,709.13
  6. Step 6: Final answer
    x = 106,323.71

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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.