Home / 115,332.21-159,154.84-67,617.34

Finding the Fourth Proportional to 115,332.21, 159,154.84 and 67,617.34

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Solution

The fourth proportional to 115,332.21, 159,154.84 and 67,617.34 is: 93,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.21 : 159,154.84 = 67,617.34 : x
  2. Step 2: Convert to fraction form
    115,332.21/159,154.84 = 67,617.34/x
  3. Step 3: Cross multiply
    115,332.21x = 159,154.84 × 67,617.34
  4. Step 4: Simplify right side
    115,332.21x = 10,761,626,615.56
  5. Step 5: Solve for x
    x = 10,761,626,615.56/115,332.21
  6. Step 6: Final answer
    x = 93,309.81

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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.