Home / 146,215.60-219,214.05-79,730.80

Finding the Fourth Proportional to 146,215.60, 219,214.05 and 79,730.80

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Solution

The fourth proportional to 146,215.60, 219,214.05 and 79,730.80 is: 119,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.60 : 219,214.05 = 79,730.80 : x
  2. Step 2: Convert to fraction form
    146,215.60/219,214.05 = 79,730.80/x
  3. Step 3: Cross multiply
    146,215.60x = 219,214.05 × 79,730.80
  4. Step 4: Simplify right side
    146,215.60x = 17,478,111,577.74
  5. Step 5: Solve for x
    x = 17,478,111,577.74/146,215.60
  6. Step 6: Final answer
    x = 119,536.57

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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.