Home / 180,861.12-249,528.60-109,213.92

Finding the Fourth Proportional to 180,861.12, 249,528.60 and 109,213.92

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Solution

The fourth proportional to 180,861.12, 249,528.60 and 109,213.92 is: 150,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,861.12 : 249,528.60 = 109,213.92 : x
  2. Step 2: Convert to fraction form
    180,861.12/249,528.60 = 109,213.92/x
  3. Step 3: Cross multiply
    180,861.12x = 249,528.60 × 109,213.92
  4. Step 4: Simplify right side
    180,861.12x = 27,251,996,558.11
  5. Step 5: Solve for x
    x = 27,251,996,558.11/180,861.12
  6. Step 6: Final answer
    x = 150,679.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.