Home / 141,488.08-195,281.24-81,099.16

Finding the Fourth Proportional to 141,488.08, 195,281.24 and 81,099.16

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Solution

The fourth proportional to 141,488.08, 195,281.24 and 81,099.16 is: 111,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,488.08 : 195,281.24 = 81,099.16 : x
  2. Step 2: Convert to fraction form
    141,488.08/195,281.24 = 81,099.16/x
  3. Step 3: Cross multiply
    141,488.08x = 195,281.24 × 81,099.16
  4. Step 4: Simplify right side
    141,488.08x = 15,837,144,527.76
  5. Step 5: Solve for x
    x = 15,837,144,527.76/141,488.08
  6. Step 6: Final answer
    x = 111,932.71

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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.