Home / 219,950.25-329,931.12-70,190.34

Finding the Fourth Proportional to 219,950.25, 329,931.12 and 70,190.34

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Solution

The fourth proportional to 219,950.25, 329,931.12 and 70,190.34 is: 105,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950.25 : 329,931.12 = 70,190.34 : x
  2. Step 2: Convert to fraction form
    219,950.25/329,931.12 = 70,190.34/x
  3. Step 3: Cross multiply
    219,950.25x = 329,931.12 × 70,190.34
  4. Step 4: Simplify right side
    219,950.25x = 23,157,977,778.98
  5. Step 5: Solve for x
    x = 23,157,977,778.98/219,950.25
  6. Step 6: Final answer
    x = 105,287.34

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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.