Home / 88,040.70-131,858.55-72,294.30

Finding the Fourth Proportional to 88,040.70, 131,858.55 and 72,294.30

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Solution

The fourth proportional to 88,040.70, 131,858.55 and 72,294.30 is: 108,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.70 : 131,858.55 = 72,294.30 : x
  2. Step 2: Convert to fraction form
    88,040.70/131,858.55 = 72,294.30/x
  3. Step 3: Cross multiply
    88,040.70x = 131,858.55 × 72,294.30
  4. Step 4: Simplify right side
    88,040.70x = 9,532,621,571.27
  5. Step 5: Solve for x
    x = 9,532,621,571.27/88,040.70
  6. Step 6: Final answer
    x = 108,275.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.