Home / 232,167.60-320,394.83-135,368.78

Finding the Fourth Proportional to 232,167.60, 320,394.83 and 135,368.78

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Solution

The fourth proportional to 232,167.60, 320,394.83 and 135,368.78 is: 186,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,167.60 : 320,394.83 = 135,368.78 : x
  2. Step 2: Convert to fraction form
    232,167.60/320,394.83 = 135,368.78/x
  3. Step 3: Cross multiply
    232,167.60x = 320,394.83 × 135,368.78
  4. Step 4: Simplify right side
    232,167.60x = 43,371,454,976.59
  5. Step 5: Solve for x
    x = 43,371,454,976.59/232,167.60
  6. Step 6: Final answer
    x = 186,810.97

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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.