Home / 131,758.96-181,827.14-71,329.58

Finding the Fourth Proportional to 131,758.96, 181,827.14 and 71,329.58

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Solution

The fourth proportional to 131,758.96, 181,827.14 and 71,329.58 is: 98,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,758.96 : 181,827.14 = 71,329.58 : x
  2. Step 2: Convert to fraction form
    131,758.96/181,827.14 = 71,329.58/x
  3. Step 3: Cross multiply
    131,758.96x = 181,827.14 × 71,329.58
  4. Step 4: Simplify right side
    131,758.96x = 12,969,653,528.80
  5. Step 5: Solve for x
    x = 12,969,653,528.80/131,758.96
  6. Step 6: Final answer
    x = 98,434.70

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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.