Home / 225,581.98-311,282.42-130,070.22

Finding the Fourth Proportional to 225,581.98, 311,282.42 and 130,070.22

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Solution

The fourth proportional to 225,581.98, 311,282.42 and 130,070.22 is: 179,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,581.98 : 311,282.42 = 130,070.22 : x
  2. Step 2: Convert to fraction form
    225,581.98/311,282.42 = 130,070.22/x
  3. Step 3: Cross multiply
    225,581.98x = 311,282.42 × 130,070.22
  4. Step 4: Simplify right side
    225,581.98x = 40,488,572,851.53
  5. Step 5: Solve for x
    x = 40,488,572,851.53/225,581.98
  6. Step 6: Final answer
    x = 179,484.96

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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.