Home / 272,988.30-376,718.73-152,126.92

Finding the Fourth Proportional to 272,988.30, 376,718.73 and 152,126.92

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Solution

The fourth proportional to 272,988.30, 376,718.73 and 152,126.92 is: 209,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,988.30 : 376,718.73 = 152,126.92 : x
  2. Step 2: Convert to fraction form
    272,988.30/376,718.73 = 152,126.92/x
  3. Step 3: Cross multiply
    272,988.30x = 376,718.73 × 152,126.92
  4. Step 4: Simplify right side
    272,988.30x = 57,309,060,101.21
  5. Step 5: Solve for x
    x = 57,309,060,101.21/272,988.30
  6. Step 6: Final answer
    x = 209,932.29

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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.