Home / 261,535.56-360,996.12-154,140.36

Finding the Fourth Proportional to 261,535.56, 360,996.12 and 154,140.36

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Solution

The fourth proportional to 261,535.56, 360,996.12 and 154,140.36 is: 212,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,535.56 : 360,996.12 = 154,140.36 : x
  2. Step 2: Convert to fraction form
    261,535.56/360,996.12 = 154,140.36/x
  3. Step 3: Cross multiply
    261,535.56x = 360,996.12 × 154,140.36
  4. Step 4: Simplify right side
    261,535.56x = 55,644,071,895.40
  5. Step 5: Solve for x
    x = 55,644,071,895.40/261,535.56
  6. Step 6: Final answer
    x = 212,759.11

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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.