Home / 150,202.03-207,276.96-81,289.89

Finding the Fourth Proportional to 150,202.03, 207,276.96 and 81,289.89

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Solution

The fourth proportional to 150,202.03, 207,276.96 and 81,289.89 is: 112,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,202.03 : 207,276.96 = 81,289.89 : x
  2. Step 2: Convert to fraction form
    150,202.03/207,276.96 = 81,289.89/x
  3. Step 3: Cross multiply
    150,202.03x = 207,276.96 × 81,289.89
  4. Step 4: Simplify right side
    150,202.03x = 16,849,521,277.93
  5. Step 5: Solve for x
    x = 16,849,521,277.93/150,202.03
  6. Step 6: Final answer
    x = 112,179.05

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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.