Home / 217,923.68-326,719.36-112,675.52

Finding the Fourth Proportional to 217,923.68, 326,719.36 and 112,675.52

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Solution

The fourth proportional to 217,923.68, 326,719.36 and 112,675.52 is: 168,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,923.68 : 326,719.36 = 112,675.52 : x
  2. Step 2: Convert to fraction form
    217,923.68/326,719.36 = 112,675.52/x
  3. Step 3: Cross multiply
    217,923.68x = 326,719.36 × 112,675.52
  4. Step 4: Simplify right side
    217,923.68x = 36,813,273,782.07
  5. Step 5: Solve for x
    x = 36,813,273,782.07/217,923.68
  6. Step 6: Final answer
    x = 168,927.37

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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.