Home / 146,874.24-220,186.80-58,190.40

Finding the Fourth Proportional to 146,874.24, 220,186.80 and 58,190.40

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Solution

The fourth proportional to 146,874.24, 220,186.80 and 58,190.40 is: 87,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,874.24 : 220,186.80 = 58,190.40 : x
  2. Step 2: Convert to fraction form
    146,874.24/220,186.80 = 58,190.40/x
  3. Step 3: Cross multiply
    146,874.24x = 220,186.80 × 58,190.40
  4. Step 4: Simplify right side
    146,874.24x = 12,812,757,966.72
  5. Step 5: Solve for x
    x = 12,812,757,966.72/146,874.24
  6. Step 6: Final answer
    x = 87,236.25

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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.