Home / 141,681.20-195,513.04-78,007.10

Finding the Fourth Proportional to 141,681.20, 195,513.04 and 78,007.10

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Solution

The fourth proportional to 141,681.20, 195,513.04 and 78,007.10 is: 107,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,681.20 : 195,513.04 = 78,007.10 : x
  2. Step 2: Convert to fraction form
    141,681.20/195,513.04 = 78,007.10/x
  3. Step 3: Cross multiply
    141,681.20x = 195,513.04 × 78,007.10
  4. Step 4: Simplify right side
    141,681.20x = 15,251,405,262.58
  5. Step 5: Solve for x
    x = 15,251,405,262.58/141,681.20
  6. Step 6: Final answer
    x = 107,645.94

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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.