Home / 113,392.05-169,969.41-42,286.08

Finding the Fourth Proportional to 113,392.05, 169,969.41 and 42,286.08

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Solution

The fourth proportional to 113,392.05, 169,969.41 and 42,286.08 is: 63,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,392.05 : 169,969.41 = 42,286.08 : x
  2. Step 2: Convert to fraction form
    113,392.05/169,969.41 = 42,286.08/x
  3. Step 3: Cross multiply
    113,392.05x = 169,969.41 × 42,286.08
  4. Step 4: Simplify right side
    113,392.05x = 7,187,340,706.20
  5. Step 5: Solve for x
    x = 7,187,340,706.20/113,392.05
  6. Step 6: Final answer
    x = 63,384.87

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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.