Home / 178,259.49-267,383.79-72,999.18

Finding the Fourth Proportional to 178,259.49, 267,383.79 and 72,999.18

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Solution

The fourth proportional to 178,259.49, 267,383.79 and 72,999.18 is: 109,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,259.49 : 267,383.79 = 72,999.18 : x
  2. Step 2: Convert to fraction form
    178,259.49/267,383.79 = 72,999.18/x
  3. Step 3: Cross multiply
    178,259.49x = 267,383.79 × 72,999.18
  4. Step 4: Simplify right side
    178,259.49x = 19,518,797,415.29
  5. Step 5: Solve for x
    x = 19,518,797,415.29/178,259.49
  6. Step 6: Final answer
    x = 109,496.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.