Home / 272,156.22-375,621.98-157,504.65

Finding the Fourth Proportional to 272,156.22, 375,621.98 and 157,504.65

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Solution

The fourth proportional to 272,156.22, 375,621.98 and 157,504.65 is: 217,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,156.22 : 375,621.98 = 157,504.65 : x
  2. Step 2: Convert to fraction form
    272,156.22/375,621.98 = 157,504.65/x
  3. Step 3: Cross multiply
    272,156.22x = 375,621.98 × 157,504.65
  4. Step 4: Simplify right side
    272,156.22x = 59,162,207,704.68
  5. Step 5: Solve for x
    x = 59,162,207,704.68/272,156.22
  6. Step 6: Final answer
    x = 217,383.27

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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.