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Finding the Fourth Proportional to 91,275.47, 126,604.59 and 88,847.90

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Solution

The fourth proportional to 91,275.47, 126,604.59 and 88,847.90 is: 123,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.47 : 126,604.59 = 88,847.90 : x
  2. Step 2: Convert to fraction form
    91,275.47/126,604.59 = 88,847.90/x
  3. Step 3: Cross multiply
    91,275.47x = 126,604.59 × 88,847.90
  4. Step 4: Simplify right side
    91,275.47x = 11,248,552,268.37
  5. Step 5: Solve for x
    x = 11,248,552,268.37/91,275.47
  6. Step 6: Final answer
    x = 123,237.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.