Home / 178,088.12-267,131.57-72,907.19

Finding the Fourth Proportional to 178,088.12, 267,131.57 and 72,907.19

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Solution

The fourth proportional to 178,088.12, 267,131.57 and 72,907.19 is: 109,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,088.12 : 267,131.57 = 72,907.19 : x
  2. Step 2: Convert to fraction form
    178,088.12/267,131.57 = 72,907.19/x
  3. Step 3: Cross multiply
    178,088.12x = 267,131.57 × 72,907.19
  4. Step 4: Simplify right side
    178,088.12x = 19,475,810,428.79
  5. Step 5: Solve for x
    x = 19,475,810,428.79/178,088.12
  6. Step 6: Final answer
    x = 109,360.53

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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.