Home / 232,252.32-320,506.88-128,885.48

Finding the Fourth Proportional to 232,252.32, 320,506.88 and 128,885.48

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Solution

The fourth proportional to 232,252.32, 320,506.88 and 128,885.48 is: 177,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,252.32 : 320,506.88 = 128,885.48 : x
  2. Step 2: Convert to fraction form
    232,252.32/320,506.88 = 128,885.48/x
  3. Step 3: Cross multiply
    232,252.32x = 320,506.88 × 128,885.48
  4. Step 4: Simplify right side
    232,252.32x = 41,308,683,072.10
  5. Step 5: Solve for x
    x = 41,308,683,072.10/232,252.32
  6. Step 6: Final answer
    x = 177,861.23

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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.