Home / 153,037.70-229,556.55-143,123.30

Finding the Fourth Proportional to 153,037.70, 229,556.55 and 143,123.30

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Solution

The fourth proportional to 153,037.70, 229,556.55 and 143,123.30 is: 214,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,037.70 : 229,556.55 = 143,123.30 : x
  2. Step 2: Convert to fraction form
    153,037.70/229,556.55 = 143,123.30/x
  3. Step 3: Cross multiply
    153,037.70x = 229,556.55 × 143,123.30
  4. Step 4: Simplify right side
    153,037.70x = 32,854,890,972.62
  5. Step 5: Solve for x
    x = 32,854,890,972.62/153,037.70
  6. Step 6: Final answer
    x = 214,684.95

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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.