Home / 178,555.38-267,908.16-111,143.77

Finding the Fourth Proportional to 178,555.38, 267,908.16 and 111,143.77

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Solution

The fourth proportional to 178,555.38, 267,908.16 and 111,143.77 is: 166,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,555.38 : 267,908.16 = 111,143.77 : x
  2. Step 2: Convert to fraction form
    178,555.38/267,908.16 = 111,143.77/x
  3. Step 3: Cross multiply
    178,555.38x = 267,908.16 × 111,143.77
  4. Step 4: Simplify right side
    178,555.38x = 29,776,322,916.16
  5. Step 5: Solve for x
    x = 29,776,322,916.16/178,555.38
  6. Step 6: Final answer
    x = 166,762.40

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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.