Home / 217,601.64-326,139.98-112,363.24

Finding the Fourth Proportional to 217,601.64, 326,139.98 and 112,363.24

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Solution

The fourth proportional to 217,601.64, 326,139.98 and 112,363.24 is: 168,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.64 : 326,139.98 = 112,363.24 : x
  2. Step 2: Convert to fraction form
    217,601.64/326,139.98 = 112,363.24/x
  3. Step 3: Cross multiply
    217,601.64x = 326,139.98 × 112,363.24
  4. Step 4: Simplify right side
    217,601.64x = 36,646,144,846.34
  5. Step 5: Solve for x
    x = 36,646,144,846.34/217,601.64
  6. Step 6: Final answer
    x = 168,409.32

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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.