Home / 155,866.28-233,631.74-67,161.56

Finding the Fourth Proportional to 155,866.28, 233,631.74 and 67,161.56

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Solution

The fourth proportional to 155,866.28, 233,631.74 and 67,161.56 is: 100,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,866.28 : 233,631.74 = 67,161.56 : x
  2. Step 2: Convert to fraction form
    155,866.28/233,631.74 = 67,161.56/x
  3. Step 3: Cross multiply
    155,866.28x = 233,631.74 × 67,161.56
  4. Step 4: Simplify right side
    155,866.28x = 15,691,071,123.66
  5. Step 5: Solve for x
    x = 15,691,071,123.66/155,866.28
  6. Step 6: Final answer
    x = 100,670.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.