Home / 147,620.84-203,647.65-87,150.29

Finding the Fourth Proportional to 147,620.84, 203,647.65 and 87,150.29

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Solution

The fourth proportional to 147,620.84, 203,647.65 and 87,150.29 is: 120,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620.84 : 203,647.65 = 87,150.29 : x
  2. Step 2: Convert to fraction form
    147,620.84/203,647.65 = 87,150.29/x
  3. Step 3: Cross multiply
    147,620.84x = 203,647.65 × 87,150.29
  4. Step 4: Simplify right side
    147,620.84x = 17,747,951,755.32
  5. Step 5: Solve for x
    x = 17,747,951,755.32/147,620.84
  6. Step 6: Final answer
    x = 120,226.60

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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.