Home / 141,498.87-195,267.42-77,835.30

Finding the Fourth Proportional to 141,498.87, 195,267.42 and 77,835.30

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Solution

The fourth proportional to 141,498.87, 195,267.42 and 77,835.30 is: 107,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,498.87 : 195,267.42 = 77,835.30 : x
  2. Step 2: Convert to fraction form
    141,498.87/195,267.42 = 77,835.30/x
  3. Step 3: Cross multiply
    141,498.87x = 195,267.42 × 77,835.30
  4. Step 4: Simplify right side
    141,498.87x = 15,198,698,215.93
  5. Step 5: Solve for x
    x = 15,198,698,215.93/141,498.87
  6. Step 6: Final answer
    x = 107,412.15

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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.