Home / 131,792.82-181,887.06-75,212.70

Finding the Fourth Proportional to 131,792.82, 181,887.06 and 75,212.70

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Solution

The fourth proportional to 131,792.82, 181,887.06 and 75,212.70 is: 103,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,792.82 : 181,887.06 = 75,212.70 : x
  2. Step 2: Convert to fraction form
    131,792.82/181,887.06 = 75,212.70/x
  3. Step 3: Cross multiply
    131,792.82x = 181,887.06 × 75,212.70
  4. Step 4: Simplify right side
    131,792.82x = 13,680,216,877.66
  5. Step 5: Solve for x
    x = 13,680,216,877.66/131,792.82
  6. Step 6: Final answer
    x = 103,800.93

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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.