Home / 148,088.82-222,154.32-54,587.28

Finding the Fourth Proportional to 148,088.82, 222,154.32 and 54,587.28

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Solution

The fourth proportional to 148,088.82, 222,154.32 and 54,587.28 is: 81,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,088.82 : 222,154.32 = 54,587.28 : x
  2. Step 2: Convert to fraction form
    148,088.82/222,154.32 = 54,587.28/x
  3. Step 3: Cross multiply
    148,088.82x = 222,154.32 × 54,587.28
  4. Step 4: Simplify right side
    148,088.82x = 12,126,800,069.05
  5. Step 5: Solve for x
    x = 12,126,800,069.05/148,088.82
  6. Step 6: Final answer
    x = 81,888.69

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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.