Home / 124,185.35-186,279.75-35,438.85

Finding the Fourth Proportional to 124,185.35, 186,279.75 and 35,438.85

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Solution

The fourth proportional to 124,185.35, 186,279.75 and 35,438.85 is: 53,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,185.35 : 186,279.75 = 35,438.85 : x
  2. Step 2: Convert to fraction form
    124,185.35/186,279.75 = 35,438.85/x
  3. Step 3: Cross multiply
    124,185.35x = 186,279.75 × 35,438.85
  4. Step 4: Simplify right side
    124,185.35x = 6,601,540,118.29
  5. Step 5: Solve for x
    x = 6,601,540,118.29/124,185.35
  6. Step 6: Final answer
    x = 53,158.77

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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.