Home / 179,328.16-269,113.20-74,146.72

Finding the Fourth Proportional to 179,328.16, 269,113.20 and 74,146.72

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Solution

The fourth proportional to 179,328.16, 269,113.20 and 74,146.72 is: 111,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,328.16 : 269,113.20 = 74,146.72 : x
  2. Step 2: Convert to fraction form
    179,328.16/269,113.20 = 74,146.72/x
  3. Step 3: Cross multiply
    179,328.16x = 269,113.20 × 74,146.72
  4. Step 4: Simplify right side
    179,328.16x = 19,953,861,088.70
  5. Step 5: Solve for x
    x = 19,953,861,088.70/179,328.16
  6. Step 6: Final answer
    x = 111,270.09

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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.