Home / 109,097.56-163,646.08-30,211.54

Finding the Fourth Proportional to 109,097.56, 163,646.08 and 30,211.54

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Solution

The fourth proportional to 109,097.56, 163,646.08 and 30,211.54 is: 45,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.56 : 163,646.08 = 30,211.54 : x
  2. Step 2: Convert to fraction form
    109,097.56/163,646.08 = 30,211.54/x
  3. Step 3: Cross multiply
    109,097.56x = 163,646.08 × 30,211.54
  4. Step 4: Simplify right side
    109,097.56x = 4,944,000,091.76
  5. Step 5: Solve for x
    x = 4,944,000,091.76/109,097.56
  6. Step 6: Final answer
    x = 45,317.24

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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.