Home / 255,252.04-382,919.52-86,787.40

Finding the Fourth Proportional to 255,252.04, 382,919.52 and 86,787.40

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Solution

The fourth proportional to 255,252.04, 382,919.52 and 86,787.40 is: 130,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,252.04 : 382,919.52 = 86,787.40 : x
  2. Step 2: Convert to fraction form
    255,252.04/382,919.52 = 86,787.40/x
  3. Step 3: Cross multiply
    255,252.04x = 382,919.52 × 86,787.40
  4. Step 4: Simplify right side
    255,252.04x = 33,232,589,550.05
  5. Step 5: Solve for x
    x = 33,232,589,550.05/255,252.04
  6. Step 6: Final answer
    x = 130,195.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.