Home / 146,005.10-219,007.65-99,349.10

Finding the Fourth Proportional to 146,005.10, 219,007.65 and 99,349.10

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Solution

The fourth proportional to 146,005.10, 219,007.65 and 99,349.10 is: 149,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,005.10 : 219,007.65 = 99,349.10 : x
  2. Step 2: Convert to fraction form
    146,005.10/219,007.65 = 99,349.10/x
  3. Step 3: Cross multiply
    146,005.10x = 219,007.65 × 99,349.10
  4. Step 4: Simplify right side
    146,005.10x = 21,758,212,920.62
  5. Step 5: Solve for x
    x = 21,758,212,920.62/146,005.10
  6. Step 6: Final answer
    x = 149,023.65

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1.5x scale

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.