Home / 134,901.92-186,164.93-74,472.65

Finding the Fourth Proportional to 134,901.92, 186,164.93 and 74,472.65

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Solution

The fourth proportional to 134,901.92, 186,164.93 and 74,472.65 is: 102,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.92 : 186,164.93 = 74,472.65 : x
  2. Step 2: Convert to fraction form
    134,901.92/186,164.93 = 74,472.65/x
  3. Step 3: Cross multiply
    134,901.92x = 186,164.93 × 74,472.65
  4. Step 4: Simplify right side
    134,901.92x = 13,864,195,348.37
  5. Step 5: Solve for x
    x = 13,864,195,348.37/134,901.92
  6. Step 6: Final answer
    x = 102,772.41

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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.