Home / 272,972.16-376,732.08-152,124.48

Finding the Fourth Proportional to 272,972.16, 376,732.08 and 152,124.48

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Solution

The fourth proportional to 272,972.16, 376,732.08 and 152,124.48 is: 209,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,972.16 : 376,732.08 = 152,124.48 : x
  2. Step 2: Convert to fraction form
    272,972.16/376,732.08 = 152,124.48/x
  3. Step 3: Cross multiply
    272,972.16x = 376,732.08 × 152,124.48
  4. Step 4: Simplify right side
    272,972.16x = 57,310,171,769.32
  5. Step 5: Solve for x
    x = 57,310,171,769.32/272,972.16
  6. Step 6: Final answer
    x = 209,948.78

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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.