Home / 219,738.72-329,499.01-69,959.53

Finding the Fourth Proportional to 219,738.72, 329,499.01 and 69,959.53

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Solution

The fourth proportional to 219,738.72, 329,499.01 and 69,959.53 is: 104,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,738.72 : 329,499.01 = 69,959.53 : x
  2. Step 2: Convert to fraction form
    219,738.72/329,499.01 = 69,959.53/x
  3. Step 3: Cross multiply
    219,738.72x = 329,499.01 × 69,959.53
  4. Step 4: Simplify right side
    219,738.72x = 23,051,595,980.87
  5. Step 5: Solve for x
    x = 23,051,595,980.87/219,738.72
  6. Step 6: Final answer
    x = 104,904.57

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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.