Home / 184,787.52-255,006.88-99,905.20

Finding the Fourth Proportional to 184,787.52, 255,006.88 and 99,905.20

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Solution

The fourth proportional to 184,787.52, 255,006.88 and 99,905.20 is: 137,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,787.52 : 255,006.88 = 99,905.20 : x
  2. Step 2: Convert to fraction form
    184,787.52/255,006.88 = 99,905.20/x
  3. Step 3: Cross multiply
    184,787.52x = 255,006.88 × 99,905.20
  4. Step 4: Simplify right side
    184,787.52x = 25,476,513,347.78
  5. Step 5: Solve for x
    x = 25,476,513,347.78/184,787.52
  6. Step 6: Final answer
    x = 137,869.23

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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.