Home / 178,588.90-267,883.35-139,175.65

Finding the Fourth Proportional to 178,588.90, 267,883.35 and 139,175.65

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Solution

The fourth proportional to 178,588.90, 267,883.35 and 139,175.65 is: 208,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,588.90 : 267,883.35 = 139,175.65 : x
  2. Step 2: Convert to fraction form
    178,588.90/267,883.35 = 139,175.65/x
  3. Step 3: Cross multiply
    178,588.90x = 267,883.35 × 139,175.65
  4. Step 4: Simplify right side
    178,588.90x = 37,282,839,360.43
  5. Step 5: Solve for x
    x = 37,282,839,360.43/178,588.90
  6. Step 6: Final answer
    x = 208,763.48

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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.