Home / 86,385.89-119,214.50-48,149.37

Finding the Fourth Proportional to 86,385.89, 119,214.50 and 48,149.37

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Solution

The fourth proportional to 86,385.89, 119,214.50 and 48,149.37 is: 66,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,385.89 : 119,214.50 = 48,149.37 : x
  2. Step 2: Convert to fraction form
    86,385.89/119,214.50 = 48,149.37/x
  3. Step 3: Cross multiply
    86,385.89x = 119,214.50 × 48,149.37
  4. Step 4: Simplify right side
    86,385.89x = 5,740,103,069.87
  5. Step 5: Solve for x
    x = 5,740,103,069.87/86,385.89
  6. Step 6: Final answer
    x = 66,447.23

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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.