Home / 146,430.46-219,566.76-78,998.65

Finding the Fourth Proportional to 146,430.46, 219,566.76 and 78,998.65

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Solution

The fourth proportional to 146,430.46, 219,566.76 and 78,998.65 is: 118,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,430.46 : 219,566.76 = 78,998.65 : x
  2. Step 2: Convert to fraction form
    146,430.46/219,566.76 = 78,998.65/x
  3. Step 3: Cross multiply
    146,430.46x = 219,566.76 × 78,998.65
  4. Step 4: Simplify right side
    146,430.46x = 17,345,477,624.87
  5. Step 5: Solve for x
    x = 17,345,477,624.87/146,430.46
  6. Step 6: Final answer
    x = 118,455.39

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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.