Home / 232,222.79-320,436.43-128,855.27

Finding the Fourth Proportional to 232,222.79, 320,436.43 and 128,855.27

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Solution

The fourth proportional to 232,222.79, 320,436.43 and 128,855.27 is: 177,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,222.79 : 320,436.43 = 128,855.27 : x
  2. Step 2: Convert to fraction form
    232,222.79/320,436.43 = 128,855.27/x
  3. Step 3: Cross multiply
    232,222.79x = 320,436.43 × 128,855.27
  4. Step 4: Simplify right side
    232,222.79x = 41,289,920,781.17
  5. Step 5: Solve for x
    x = 41,289,920,781.17/232,222.79
  6. Step 6: Final answer
    x = 177,803.06

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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.