Home / 115,335.43-159,178.62-67,607.80

Finding the Fourth Proportional to 115,335.43, 159,178.62 and 67,607.80

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Solution

The fourth proportional to 115,335.43, 159,178.62 and 67,607.80 is: 93,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,335.43 : 159,178.62 = 67,607.80 : x
  2. Step 2: Convert to fraction form
    115,335.43/159,178.62 = 67,607.80/x
  3. Step 3: Cross multiply
    115,335.43x = 159,178.62 × 67,607.80
  4. Step 4: Simplify right side
    115,335.43x = 10,761,716,305.24
  5. Step 5: Solve for x
    x = 10,761,716,305.24/115,335.43
  6. Step 6: Final answer
    x = 93,307.98

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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.