Home / 131,443.33-181,400.33-76,263.96

Finding the Fourth Proportional to 131,443.33, 181,400.33 and 76,263.96

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Solution

The fourth proportional to 131,443.33, 181,400.33 and 76,263.96 is: 105,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,443.33 : 181,400.33 = 76,263.96 : x
  2. Step 2: Convert to fraction form
    131,443.33/181,400.33 = 76,263.96/x
  3. Step 3: Cross multiply
    131,443.33x = 181,400.33 × 76,263.96
  4. Step 4: Simplify right side
    131,443.33x = 13,834,307,129.79
  5. Step 5: Solve for x
    x = 13,834,307,129.79/131,443.33
  6. Step 6: Final answer
    x = 105,249.21

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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.