Home / 178,587.90-267,881.85-139,174.65

Finding the Fourth Proportional to 178,587.90, 267,881.85 and 139,174.65

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Solution

The fourth proportional to 178,587.90, 267,881.85 and 139,174.65 is: 208,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,587.90 : 267,881.85 = 139,174.65 : x
  2. Step 2: Convert to fraction form
    178,587.90/267,881.85 = 139,174.65/x
  3. Step 3: Cross multiply
    178,587.90x = 267,881.85 × 139,174.65
  4. Step 4: Simplify right side
    178,587.90x = 37,282,362,715.10
  5. Step 5: Solve for x
    x = 37,282,362,715.10/178,587.90
  6. Step 6: Final answer
    x = 208,761.98

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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.