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Finding the Fourth Proportional to 146,501.40, 219,752.10 and 87,452.40

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Solution

The fourth proportional to 146,501.40, 219,752.10 and 87,452.40 is: 131,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,501.40 : 219,752.10 = 87,452.40 : x
  2. Step 2: Convert to fraction form
    146,501.40/219,752.10 = 87,452.40/x
  3. Step 3: Cross multiply
    146,501.40x = 219,752.10 × 87,452.40
  4. Step 4: Simplify right side
    146,501.40x = 19,217,848,550.04
  5. Step 5: Solve for x
    x = 19,217,848,550.04/146,501.40
  6. Step 6: Final answer
    x = 131,178.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.