Home / 178,141.89-245,839.78-101,659.46

Finding the Fourth Proportional to 178,141.89, 245,839.78 and 101,659.46

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Solution

The fourth proportional to 178,141.89, 245,839.78 and 101,659.46 is: 140,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,141.89 : 245,839.78 = 101,659.46 : x
  2. Step 2: Convert to fraction form
    178,141.89/245,839.78 = 101,659.46/x
  3. Step 3: Cross multiply
    178,141.89x = 245,839.78 × 101,659.46
  4. Step 4: Simplify right side
    178,141.89x = 24,991,939,281.32
  5. Step 5: Solve for x
    x = 24,991,939,281.32/178,141.89
  6. Step 6: Final answer
    x = 140,292.33

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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.