Home / 204,335.61-281,989.81-127,830.25

Finding the Fourth Proportional to 204,335.61, 281,989.81 and 127,830.25

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Solution

The fourth proportional to 204,335.61, 281,989.81 and 127,830.25 is: 176,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,335.61 : 281,989.81 = 127,830.25 : x
  2. Step 2: Convert to fraction form
    204,335.61/281,989.81 = 127,830.25/x
  3. Step 3: Cross multiply
    204,335.61x = 281,989.81 × 127,830.25
  4. Step 4: Simplify right side
    204,335.61x = 36,046,827,702.98
  5. Step 5: Solve for x
    x = 36,046,827,702.98/204,335.61
  6. Step 6: Final answer
    x = 176,409.91

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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.