Home / 175,857.77-242,678.07-100,406.27

Finding the Fourth Proportional to 175,857.77, 242,678.07 and 100,406.27

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Solution

The fourth proportional to 175,857.77, 242,678.07 and 100,406.27 is: 138,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,857.77 : 242,678.07 = 100,406.27 : x
  2. Step 2: Convert to fraction form
    175,857.77/242,678.07 = 100,406.27/x
  3. Step 3: Cross multiply
    175,857.77x = 242,678.07 × 100,406.27
  4. Step 4: Simplify right side
    175,857.77x = 24,366,399,819.50
  5. Step 5: Solve for x
    x = 24,366,399,819.50/175,857.77
  6. Step 6: Final answer
    x = 138,557.43

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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.