Home / 216,123.71-324,199.34-89,774.24

Finding the Fourth Proportional to 216,123.71, 324,199.34 and 89,774.24

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Solution

The fourth proportional to 216,123.71, 324,199.34 and 89,774.24 is: 134,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,123.71 : 324,199.34 = 89,774.24 : x
  2. Step 2: Convert to fraction form
    216,123.71/324,199.34 = 89,774.24/x
  3. Step 3: Cross multiply
    216,123.71x = 324,199.34 × 89,774.24
  4. Step 4: Simplify right side
    216,123.71x = 29,104,747,960.44
  5. Step 5: Solve for x
    x = 29,104,747,960.44/216,123.71
  6. Step 6: Final answer
    x = 134,667.08

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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.