Home / 141,864.63-195,774.53-78,204.71

Finding the Fourth Proportional to 141,864.63, 195,774.53 and 78,204.71

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Solution

The fourth proportional to 141,864.63, 195,774.53 and 78,204.71 is: 107,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.63 : 195,774.53 = 78,204.71 : x
  2. Step 2: Convert to fraction form
    141,864.63/195,774.53 = 78,204.71/x
  3. Step 3: Cross multiply
    141,864.63x = 195,774.53 × 78,204.71
  4. Step 4: Simplify right side
    141,864.63x = 15,310,488,974.14
  5. Step 5: Solve for x
    x = 15,310,488,974.14/141,864.63
  6. Step 6: Final answer
    x = 107,923.23

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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.