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Finding the Fourth Proportional to 180,530.32, 249,135.60 and 98,861.97

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Solution

The fourth proportional to 180,530.32, 249,135.60 and 98,861.97 is: 136,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,530.32 : 249,135.60 = 98,861.97 : x
  2. Step 2: Convert to fraction form
    180,530.32/249,135.60 = 98,861.97/x
  3. Step 3: Cross multiply
    180,530.32x = 249,135.60 × 98,861.97
  4. Step 4: Simplify right side
    180,530.32x = 24,630,035,560.64
  5. Step 5: Solve for x
    x = 24,630,035,560.64/180,530.32
  6. Step 6: Final answer
    x = 136,431.57

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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.