Home / 110,865.97-152,995-59,878.68

Finding the Fourth Proportional to 110,865.97, 152,995 and 59,878.68

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Solution

The fourth proportional to 110,865.97, 152,995 and 59,878.68 is: 82,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865.97 : 152,995 = 59,878.68 : x
  2. Step 2: Convert to fraction form
    110,865.97/152,995 = 59,878.68/x
  3. Step 3: Cross multiply
    110,865.97x = 152,995 × 59,878.68
  4. Step 4: Simplify right side
    110,865.97x = 9,161,138,646.60
  5. Step 5: Solve for x
    x = 9,161,138,646.60/110,865.97
  6. Step 6: Final answer
    x = 82,632.56

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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.