Home / 141,411.04-195,147.36-77,749.92

Finding the Fourth Proportional to 141,411.04, 195,147.36 and 77,749.92

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Solution

The fourth proportional to 141,411.04, 195,147.36 and 77,749.92 is: 107,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,411.04 : 195,147.36 = 77,749.92 : x
  2. Step 2: Convert to fraction form
    141,411.04/195,147.36 = 77,749.92/x
  3. Step 3: Cross multiply
    141,411.04x = 195,147.36 × 77,749.92
  4. Step 4: Simplify right side
    141,411.04x = 15,172,691,628.21
  5. Step 5: Solve for x
    x = 15,172,691,628.21/141,411.04
  6. Step 6: Final answer
    x = 107,294.96

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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.