Home / 127,847.15-191,637.68-71,604.80

Finding the Fourth Proportional to 127,847.15, 191,637.68 and 71,604.80

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Solution

The fourth proportional to 127,847.15, 191,637.68 and 71,604.80 is: 107,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.15 : 191,637.68 = 71,604.80 : x
  2. Step 2: Convert to fraction form
    127,847.15/191,637.68 = 71,604.80/x
  3. Step 3: Cross multiply
    127,847.15x = 191,637.68 × 71,604.80
  4. Step 4: Simplify right side
    127,847.15x = 13,722,177,748.86
  5. Step 5: Solve for x
    x = 13,722,177,748.86/127,847.15
  6. Step 6: Final answer
    x = 107,332.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.