Home / 134,054.34-185,081.67-83,121.18

Finding the Fourth Proportional to 134,054.34, 185,081.67 and 83,121.18

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Solution

The fourth proportional to 134,054.34, 185,081.67 and 83,121.18 is: 114,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,054.34 : 185,081.67 = 83,121.18 : x
  2. Step 2: Convert to fraction form
    134,054.34/185,081.67 = 83,121.18/x
  3. Step 3: Cross multiply
    134,054.34x = 185,081.67 × 83,121.18
  4. Step 4: Simplify right side
    134,054.34x = 15,384,206,806.77
  5. Step 5: Solve for x
    x = 15,384,206,806.77/134,054.34
  6. Step 6: Final answer
    x = 114,760.98

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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.