Home / 86,225.88-129,295.35-26,242.85

Finding the Fourth Proportional to 86,225.88, 129,295.35 and 26,242.85

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Solution

The fourth proportional to 86,225.88, 129,295.35 and 26,242.85 is: 39,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.88 : 129,295.35 = 26,242.85 : x
  2. Step 2: Convert to fraction form
    86,225.88/129,295.35 = 26,242.85/x
  3. Step 3: Cross multiply
    86,225.88x = 129,295.35 × 26,242.85
  4. Step 4: Simplify right side
    86,225.88x = 3,393,078,725.18
  5. Step 5: Solve for x
    x = 3,393,078,725.18/86,225.88
  6. Step 6: Final answer
    x = 39,351.05

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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.