Home / 126,857.29-175,055.55-69,485.17

Finding the Fourth Proportional to 126,857.29, 175,055.55 and 69,485.17

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Solution

The fourth proportional to 126,857.29, 175,055.55 and 69,485.17 is: 95,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,857.29 : 175,055.55 = 69,485.17 : x
  2. Step 2: Convert to fraction form
    126,857.29/175,055.55 = 69,485.17/x
  3. Step 3: Cross multiply
    126,857.29x = 175,055.55 × 69,485.17
  4. Step 4: Simplify right side
    126,857.29x = 12,163,764,651.19
  5. Step 5: Solve for x
    x = 12,163,764,651.19/126,857.29
  6. Step 6: Final answer
    x = 95,885.42

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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.