Home / 146,430.69-219,646.03-76,446.69

Finding the Fourth Proportional to 146,430.69, 219,646.03 and 76,446.69

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Solution

The fourth proportional to 146,430.69, 219,646.03 and 76,446.69 is: 114,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,430.69 : 219,646.03 = 76,446.69 : x
  2. Step 2: Convert to fraction form
    146,430.69/219,646.03 = 76,446.69/x
  3. Step 3: Cross multiply
    146,430.69x = 219,646.03 × 76,446.69
  4. Step 4: Simplify right side
    146,430.69x = 16,791,211,093.69
  5. Step 5: Solve for x
    x = 16,791,211,093.69/146,430.69
  6. Step 6: Final answer
    x = 114,670.03

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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.