Home / 131,759.54-181,827.34-71,329.75

Finding the Fourth Proportional to 131,759.54, 181,827.34 and 71,329.75

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Solution

The fourth proportional to 131,759.54, 181,827.34 and 71,329.75 is: 98,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.54 : 181,827.34 = 71,329.75 : x
  2. Step 2: Convert to fraction form
    131,759.54/181,827.34 = 71,329.75/x
  3. Step 3: Cross multiply
    131,759.54x = 181,827.34 × 71,329.75
  4. Step 4: Simplify right side
    131,759.54x = 12,969,697,439.58
  5. Step 5: Solve for x
    x = 12,969,697,439.58/131,759.54
  6. Step 6: Final answer
    x = 98,434.60

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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.