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Finding the Fourth Proportional to 180,906.68, 249,774.90 and 113,027.06

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Solution

The fourth proportional to 180,906.68, 249,774.90 and 113,027.06 is: 156,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,906.68 : 249,774.90 = 113,027.06 : x
  2. Step 2: Convert to fraction form
    180,906.68/249,774.90 = 113,027.06/x
  3. Step 3: Cross multiply
    180,906.68x = 249,774.90 × 113,027.06
  4. Step 4: Simplify right side
    180,906.68x = 28,231,322,608.79
  5. Step 5: Solve for x
    x = 28,231,322,608.79/180,906.68
  6. Step 6: Final answer
    x = 156,054.62

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1.5x scale

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.