Home / 131,827.99-181,921.71-71,397.25

Finding the Fourth Proportional to 131,827.99, 181,921.71 and 71,397.25

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Solution

The fourth proportional to 131,827.99, 181,921.71 and 71,397.25 is: 98,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.99 : 181,921.71 = 71,397.25 : x
  2. Step 2: Convert to fraction form
    131,827.99/181,921.71 = 71,397.25/x
  3. Step 3: Cross multiply
    131,827.99x = 181,921.71 × 71,397.25
  4. Step 4: Simplify right side
    131,827.99x = 12,988,709,809.30
  5. Step 5: Solve for x
    x = 12,988,709,809.30/131,827.99
  6. Step 6: Final answer
    x = 98,527.71

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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.