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Finding the Fourth Proportional to 93,841.80, 140,763.66 and 36,921.48

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Solution

The fourth proportional to 93,841.80, 140,763.66 and 36,921.48 is: 55,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,841.80 : 140,763.66 = 36,921.48 : x
  2. Step 2: Convert to fraction form
    93,841.80/140,763.66 = 36,921.48/x
  3. Step 3: Cross multiply
    93,841.80x = 140,763.66 × 36,921.48
  4. Step 4: Simplify right side
    93,841.80x = 5,197,202,657.42
  5. Step 5: Solve for x
    x = 5,197,202,657.42/93,841.80
  6. Step 6: Final answer
    x = 55,382.60

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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.