Home / 219,775.42-329,644.90-70,009.66

Finding the Fourth Proportional to 219,775.42, 329,644.90 and 70,009.66

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Solution

The fourth proportional to 219,775.42, 329,644.90 and 70,009.66 is: 105,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,775.42 : 329,644.90 = 70,009.66 : x
  2. Step 2: Convert to fraction form
    219,775.42/329,644.90 = 70,009.66/x
  3. Step 3: Cross multiply
    219,775.42x = 329,644.90 × 70,009.66
  4. Step 4: Simplify right side
    219,775.42x = 23,078,325,371.46
  5. Step 5: Solve for x
    x = 23,078,325,371.46/219,775.42
  6. Step 6: Final answer
    x = 105,008.68

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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.