Home / 147,747.72-221,620.14-36,939.72

Finding the Fourth Proportional to 147,747.72, 221,620.14 and 36,939.72

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Solution

The fourth proportional to 147,747.72, 221,620.14 and 36,939.72 is: 55,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,747.72 : 221,620.14 = 36,939.72 : x
  2. Step 2: Convert to fraction form
    147,747.72/221,620.14 = 36,939.72/x
  3. Step 3: Cross multiply
    147,747.72x = 221,620.14 × 36,939.72
  4. Step 4: Simplify right side
    147,747.72x = 8,186,585,917.96
  5. Step 5: Solve for x
    x = 8,186,585,917.96/147,747.72
  6. Step 6: Final answer
    x = 55,409.22

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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.