Home / 112,704.04-155,548.65-64,305.73

Finding the Fourth Proportional to 112,704.04, 155,548.65 and 64,305.73

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Solution

The fourth proportional to 112,704.04, 155,548.65 and 64,305.73 is: 88,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,704.04 : 155,548.65 = 64,305.73 : x
  2. Step 2: Convert to fraction form
    112,704.04/155,548.65 = 64,305.73/x
  3. Step 3: Cross multiply
    112,704.04x = 155,548.65 × 64,305.73
  4. Step 4: Simplify right side
    112,704.04x = 10,002,669,924.35
  5. Step 5: Solve for x
    x = 10,002,669,924.35/112,704.04
  6. Step 6: Final answer
    x = 88,751.65

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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.