Home / 131,820.06-181,924.67-75,239.94

Finding the Fourth Proportional to 131,820.06, 181,924.67 and 75,239.94

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Solution

The fourth proportional to 131,820.06, 181,924.67 and 75,239.94 is: 103,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,820.06 : 181,924.67 = 75,239.94 : x
  2. Step 2: Convert to fraction form
    131,820.06/181,924.67 = 75,239.94/x
  3. Step 3: Cross multiply
    131,820.06x = 181,924.67 × 75,239.94
  4. Step 4: Simplify right side
    131,820.06x = 13,688,001,255.32
  5. Step 5: Solve for x
    x = 13,688,001,255.32/131,820.06
  6. Step 6: Final answer
    x = 103,838.53

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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.