Home / 88,185.38-121,700.03-54,195.29

Finding the Fourth Proportional to 88,185.38, 121,700.03 and 54,195.29

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Solution

The fourth proportional to 88,185.38, 121,700.03 and 54,195.29 is: 74,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.38 : 121,700.03 = 54,195.29 : x
  2. Step 2: Convert to fraction form
    88,185.38/121,700.03 = 54,195.29/x
  3. Step 3: Cross multiply
    88,185.38x = 121,700.03 × 54,195.29
  4. Step 4: Simplify right side
    88,185.38x = 6,595,567,539.38
  5. Step 5: Solve for x
    x = 6,595,567,539.38/88,185.38
  6. Step 6: Final answer
    x = 74,792.07

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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.