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Finding the Fourth Proportional to 132,000.40, 197,838.60 and 89,880.40

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Solution

The fourth proportional to 132,000.40, 197,838.60 and 89,880.40 is: 134,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.40 : 197,838.60 = 89,880.40 : x
  2. Step 2: Convert to fraction form
    132,000.40/197,838.60 = 89,880.40/x
  3. Step 3: Cross multiply
    132,000.40x = 197,838.60 × 89,880.40
  4. Step 4: Simplify right side
    132,000.40x = 17,781,812,503.44
  5. Step 5: Solve for x
    x = 17,781,812,503.44/132,000.40
  6. Step 6: Final answer
    x = 134,710.29

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1.5x scale

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.