Home / 115,550.20-159,444.61-67,786.12

Finding the Fourth Proportional to 115,550.20, 159,444.61 and 67,786.12

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Solution

The fourth proportional to 115,550.20, 159,444.61 and 67,786.12 is: 93,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.20 : 159,444.61 = 67,786.12 : x
  2. Step 2: Convert to fraction form
    115,550.20/159,444.61 = 67,786.12/x
  3. Step 3: Cross multiply
    115,550.20x = 159,444.61 × 67,786.12
  4. Step 4: Simplify right side
    115,550.20x = 10,808,130,898.74
  5. Step 5: Solve for x
    x = 10,808,130,898.74/115,550.20
  6. Step 6: Final answer
    x = 93,536.24

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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.