Home / 272,760.48-376,346.79-156,420.18

Finding the Fourth Proportional to 272,760.48, 376,346.79 and 156,420.18

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Solution

The fourth proportional to 272,760.48, 376,346.79 and 156,420.18 is: 215,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,760.48 : 376,346.79 = 156,420.18 : x
  2. Step 2: Convert to fraction form
    272,760.48/376,346.79 = 156,420.18/x
  3. Step 3: Cross multiply
    272,760.48x = 376,346.79 × 156,420.18
  4. Step 4: Simplify right side
    272,760.48x = 58,868,232,634.22
  5. Step 5: Solve for x
    x = 58,868,232,634.22/272,760.48
  6. Step 6: Final answer
    x = 215,823.91

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1.5x scale

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.