Home / 210,902.10-316,660.35-148,847.70

Finding the Fourth Proportional to 210,902.10, 316,660.35 and 148,847.70

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Solution

The fourth proportional to 210,902.10, 316,660.35 and 148,847.70 is: 223,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,902.10 : 316,660.35 = 148,847.70 : x
  2. Step 2: Convert to fraction form
    210,902.10/316,660.35 = 148,847.70/x
  3. Step 3: Cross multiply
    210,902.10x = 316,660.35 × 148,847.70
  4. Step 4: Simplify right side
    210,902.10x = 47,134,164,778.70
  5. Step 5: Solve for x
    x = 47,134,164,778.70/210,902.10
  6. Step 6: Final answer
    x = 223,488.36

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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.