Home / 185,424.75-255,886.16-100,541.79

Finding the Fourth Proportional to 185,424.75, 255,886.16 and 100,541.79

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Solution

The fourth proportional to 185,424.75, 255,886.16 and 100,541.79 is: 138,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424.75 : 255,886.16 = 100,541.79 : x
  2. Step 2: Convert to fraction form
    185,424.75/255,886.16 = 100,541.79/x
  3. Step 3: Cross multiply
    185,424.75x = 255,886.16 × 100,541.79
  4. Step 4: Simplify right side
    185,424.75x = 25,727,252,059.92
  5. Step 5: Solve for x
    x = 25,727,252,059.92/185,424.75
  6. Step 6: Final answer
    x = 138,747.67

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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.