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Finding the Fourth Proportional to 104,800.80, 157,201.20 and 100,208.10

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Solution

The fourth proportional to 104,800.80, 157,201.20 and 100,208.10 is: 150,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.80 : 157,201.20 = 100,208.10 : x
  2. Step 2: Convert to fraction form
    104,800.80/157,201.20 = 100,208.10/x
  3. Step 3: Cross multiply
    104,800.80x = 157,201.20 × 100,208.10
  4. Step 4: Simplify right side
    104,800.80x = 15,752,833,569.72
  5. Step 5: Solve for x
    x = 15,752,833,569.72/104,800.80
  6. Step 6: Final answer
    x = 150,312.15

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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.