Home / 178,293.48-267,527.28-78,441.18

Finding the Fourth Proportional to 178,293.48, 267,527.28 and 78,441.18

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Solution

The fourth proportional to 178,293.48, 267,527.28 and 78,441.18 is: 117,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,293.48 : 267,527.28 = 78,441.18 : x
  2. Step 2: Convert to fraction form
    178,293.48/267,527.28 = 78,441.18/x
  3. Step 3: Cross multiply
    178,293.48x = 267,527.28 × 78,441.18
  4. Step 4: Simplify right side
    178,293.48x = 20,985,155,525.39
  5. Step 5: Solve for x
    x = 20,985,155,525.39/178,293.48
  6. Step 6: Final answer
    x = 117,700.07

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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.