Home / 131,827.56-181,776.26-84,005.16

Finding the Fourth Proportional to 131,827.56, 181,776.26 and 84,005.16

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Solution

The fourth proportional to 131,827.56, 181,776.26 and 84,005.16 is: 115,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.56 : 181,776.26 = 84,005.16 : x
  2. Step 2: Convert to fraction form
    131,827.56/181,776.26 = 84,005.16/x
  3. Step 3: Cross multiply
    131,827.56x = 181,776.26 × 84,005.16
  4. Step 4: Simplify right side
    131,827.56x = 15,270,143,805.50
  5. Step 5: Solve for x
    x = 15,270,143,805.50/131,827.56
  6. Step 6: Final answer
    x = 115,834.23

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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.