Home / 141,412.92-195,148.08-77,750.16

Finding the Fourth Proportional to 141,412.92, 195,148.08 and 77,750.16

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Solution

The fourth proportional to 141,412.92, 195,148.08 and 77,750.16 is: 107,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412.92 : 195,148.08 = 77,750.16 : x
  2. Step 2: Convert to fraction form
    141,412.92/195,148.08 = 77,750.16/x
  3. Step 3: Cross multiply
    141,412.92x = 195,148.08 × 77,750.16
  4. Step 4: Simplify right side
    141,412.92x = 15,172,794,443.69
  5. Step 5: Solve for x
    x = 15,172,794,443.69/141,412.92
  6. Step 6: Final answer
    x = 107,294.26

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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.