Home / 217,222.08-326,009.16-112,071.12

Finding the Fourth Proportional to 217,222.08, 326,009.16 and 112,071.12

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Solution

The fourth proportional to 217,222.08, 326,009.16 and 112,071.12 is: 168,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,222.08 : 326,009.16 = 112,071.12 : x
  2. Step 2: Convert to fraction form
    217,222.08/326,009.16 = 112,071.12/x
  3. Step 3: Cross multiply
    217,222.08x = 326,009.16 × 112,071.12
  4. Step 4: Simplify right side
    217,222.08x = 36,536,211,691.46
  5. Step 5: Solve for x
    x = 36,536,211,691.46/217,222.08
  6. Step 6: Final answer
    x = 168,197.50

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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.