Home / 207,223.72-310,835.58-66,982.35

Finding the Fourth Proportional to 207,223.72, 310,835.58 and 66,982.35

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Solution

The fourth proportional to 207,223.72, 310,835.58 and 66,982.35 is: 100,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,223.72 : 310,835.58 = 66,982.35 : x
  2. Step 2: Convert to fraction form
    207,223.72/310,835.58 = 66,982.35/x
  3. Step 3: Cross multiply
    207,223.72x = 310,835.58 × 66,982.35
  4. Step 4: Simplify right side
    207,223.72x = 20,820,496,057.84
  5. Step 5: Solve for x
    x = 20,820,496,057.84/207,223.72
  6. Step 6: Final answer
    x = 100,473.52

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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.