Home / 146,039.34-219,467.97-86,884.14

Finding the Fourth Proportional to 146,039.34, 219,467.97 and 86,884.14

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Solution

The fourth proportional to 146,039.34, 219,467.97 and 86,884.14 is: 130,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,039.34 : 219,467.97 = 86,884.14 : x
  2. Step 2: Convert to fraction form
    146,039.34/219,467.97 = 86,884.14/x
  3. Step 3: Cross multiply
    146,039.34x = 219,467.97 × 86,884.14
  4. Step 4: Simplify right side
    146,039.34x = 19,068,285,831.00
  5. Step 5: Solve for x
    x = 19,068,285,831.00/146,039.34
  6. Step 6: Final answer
    x = 130,569.52

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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.