Home / 216,058.05-324,082.40-66,294.95

Finding the Fourth Proportional to 216,058.05, 324,082.40 and 66,294.95

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Solution

The fourth proportional to 216,058.05, 324,082.40 and 66,294.95 is: 99,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,058.05 : 324,082.40 = 66,294.95 : x
  2. Step 2: Convert to fraction form
    216,058.05/324,082.40 = 66,294.95/x
  3. Step 3: Cross multiply
    216,058.05x = 324,082.40 × 66,294.95
  4. Step 4: Simplify right side
    216,058.05x = 21,485,024,551.99
  5. Step 5: Solve for x
    x = 21,485,024,551.99/216,058.05
  6. Step 6: Final answer
    x = 99,440.98

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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.