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Finding the Fourth Proportional to 180,591.60, 249,227.64 and 100,014.96

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Solution

The fourth proportional to 180,591.60, 249,227.64 and 100,014.96 is: 138,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,591.60 : 249,227.64 = 100,014.96 : x
  2. Step 2: Convert to fraction form
    180,591.60/249,227.64 = 100,014.96/x
  3. Step 3: Cross multiply
    180,591.60x = 249,227.64 × 100,014.96
  4. Step 4: Simplify right side
    180,591.60x = 24,926,492,445.49
  5. Step 5: Solve for x
    x = 24,926,492,445.49/180,591.60
  6. Step 6: Final answer
    x = 138,026.87

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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.