Home / 232,389.60-320,685.12-136,874.40

Finding the Fourth Proportional to 232,389.60, 320,685.12 and 136,874.40

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Solution

The fourth proportional to 232,389.60, 320,685.12 and 136,874.40 is: 188,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,389.60 : 320,685.12 = 136,874.40 : x
  2. Step 2: Convert to fraction form
    232,389.60/320,685.12 = 136,874.40/x
  3. Step 3: Cross multiply
    232,389.60x = 320,685.12 × 136,874.40
  4. Step 4: Simplify right side
    232,389.60x = 43,893,583,388.93
  5. Step 5: Solve for x
    x = 43,893,583,388.93/232,389.60
  6. Step 6: Final answer
    x = 188,879.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.