Home / 147,747.50-221,621.25-36,939.50

Finding the Fourth Proportional to 147,747.50, 221,621.25 and 36,939.50

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Solution

The fourth proportional to 147,747.50, 221,621.25 and 36,939.50 is: 55,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,747.50 : 221,621.25 = 36,939.50 : x
  2. Step 2: Convert to fraction form
    147,747.50/221,621.25 = 36,939.50/x
  3. Step 3: Cross multiply
    147,747.50x = 221,621.25 × 36,939.50
  4. Step 4: Simplify right side
    147,747.50x = 8,186,578,164.38
  5. Step 5: Solve for x
    x = 8,186,578,164.38/147,747.50
  6. Step 6: Final answer
    x = 55,409.25

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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.