Home / 272,131.20-375,513.84-157,401.18

Finding the Fourth Proportional to 272,131.20, 375,513.84 and 157,401.18

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Solution

The fourth proportional to 272,131.20, 375,513.84 and 157,401.18 is: 217,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,131.20 : 375,513.84 = 157,401.18 : x
  2. Step 2: Convert to fraction form
    272,131.20/375,513.84 = 157,401.18/x
  3. Step 3: Cross multiply
    272,131.20x = 375,513.84 × 157,401.18
  4. Step 4: Simplify right side
    272,131.20x = 59,106,321,522.33
  5. Step 5: Solve for x
    x = 59,106,321,522.33/272,131.20
  6. Step 6: Final answer
    x = 217,197.89

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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.