Home / 86,372.19-119,197.32-48,131.79

Finding the Fourth Proportional to 86,372.19, 119,197.32 and 48,131.79

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Solution

The fourth proportional to 86,372.19, 119,197.32 and 48,131.79 is: 66,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.19 : 119,197.32 = 48,131.79 : x
  2. Step 2: Convert to fraction form
    86,372.19/119,197.32 = 48,131.79/x
  3. Step 3: Cross multiply
    86,372.19x = 119,197.32 × 48,131.79
  4. Step 4: Simplify right side
    86,372.19x = 5,737,180,374.80
  5. Step 5: Solve for x
    x = 5,737,180,374.80/86,372.19
  6. Step 6: Final answer
    x = 66,423.93

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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.