Home / 148,171.61-204,454.81-89,998.07

Finding the Fourth Proportional to 148,171.61, 204,454.81 and 89,998.07

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Solution

The fourth proportional to 148,171.61, 204,454.81 and 89,998.07 is: 124,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,171.61 : 204,454.81 = 89,998.07 : x
  2. Step 2: Convert to fraction form
    148,171.61/204,454.81 = 89,998.07/x
  3. Step 3: Cross multiply
    148,171.61x = 204,454.81 × 89,998.07
  4. Step 4: Simplify right side
    148,171.61x = 18,400,537,392.44
  5. Step 5: Solve for x
    x = 18,400,537,392.44/148,171.61
  6. Step 6: Final answer
    x = 124,183.96

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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.