Home / 131,355.88-181,254.18-73,988.20

Finding the Fourth Proportional to 131,355.88, 181,254.18 and 73,988.20

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Solution

The fourth proportional to 131,355.88, 181,254.18 and 73,988.20 is: 102,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,355.88 : 181,254.18 = 73,988.20 : x
  2. Step 2: Convert to fraction form
    131,355.88/181,254.18 = 73,988.20/x
  3. Step 3: Cross multiply
    131,355.88x = 181,254.18 × 73,988.20
  4. Step 4: Simplify right side
    131,355.88x = 13,410,670,520.68
  5. Step 5: Solve for x
    x = 13,410,670,520.68/131,355.88
  6. Step 6: Final answer
    x = 102,094.18

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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.