Home / 86,161.25-129,292.44-36,237.50

Finding the Fourth Proportional to 86,161.25, 129,292.44 and 36,237.50

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Solution

The fourth proportional to 86,161.25, 129,292.44 and 36,237.50 is: 54,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,161.25 : 129,292.44 = 36,237.50 : x
  2. Step 2: Convert to fraction form
    86,161.25/129,292.44 = 36,237.50/x
  3. Step 3: Cross multiply
    86,161.25x = 129,292.44 × 36,237.50
  4. Step 4: Simplify right side
    86,161.25x = 4,685,235,530.02
  5. Step 5: Solve for x
    x = 4,685,235,530.02/86,161.25
  6. Step 6: Final answer
    x = 54,377.53

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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.