Home / 175,717.72-242,507.84-100,277.56

Finding the Fourth Proportional to 175,717.72, 242,507.84 and 100,277.56

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Solution

The fourth proportional to 175,717.72, 242,507.84 and 100,277.56 is: 138,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,717.72 : 242,507.84 = 100,277.56 : x
  2. Step 2: Convert to fraction form
    175,717.72/242,507.84 = 100,277.56/x
  3. Step 3: Cross multiply
    175,717.72x = 242,507.84 × 100,277.56
  4. Step 4: Simplify right side
    175,717.72x = 24,318,094,476.07
  5. Step 5: Solve for x
    x = 24,318,094,476.07/175,717.72
  6. Step 6: Final answer
    x = 138,392.95

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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.