Home / 131,822.34-181,918.16-80,863.17

Finding the Fourth Proportional to 131,822.34, 181,918.16 and 80,863.17

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Solution

The fourth proportional to 131,822.34, 181,918.16 and 80,863.17 is: 111,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,822.34 : 181,918.16 = 80,863.17 : x
  2. Step 2: Convert to fraction form
    131,822.34/181,918.16 = 80,863.17/x
  3. Step 3: Cross multiply
    131,822.34x = 181,918.16 × 80,863.17
  4. Step 4: Simplify right side
    131,822.34x = 14,710,478,693.85
  5. Step 5: Solve for x
    x = 14,710,478,693.85/131,822.34
  6. Step 6: Final answer
    x = 111,593.21

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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.