Home / 255,305.04-382,957.56-115,103.76

Finding the Fourth Proportional to 255,305.04, 382,957.56 and 115,103.76

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Solution

The fourth proportional to 255,305.04, 382,957.56 and 115,103.76 is: 172,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,305.04 : 382,957.56 = 115,103.76 : x
  2. Step 2: Convert to fraction form
    255,305.04/382,957.56 = 115,103.76/x
  3. Step 3: Cross multiply
    255,305.04x = 382,957.56 × 115,103.76
  4. Step 4: Simplify right side
    255,305.04x = 44,079,855,076.43
  5. Step 5: Solve for x
    x = 44,079,855,076.43/255,305.04
  6. Step 6: Final answer
    x = 172,655.64

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1.5x scale

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.