Home / 236,358.66-326,177.03-128,929.17

Finding the Fourth Proportional to 236,358.66, 326,177.03 and 128,929.17

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Solution

The fourth proportional to 236,358.66, 326,177.03 and 128,929.17 is: 177,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358.66 : 326,177.03 = 128,929.17 : x
  2. Step 2: Convert to fraction form
    236,358.66/326,177.03 = 128,929.17/x
  3. Step 3: Cross multiply
    236,358.66x = 326,177.03 × 128,929.17
  4. Step 4: Simplify right side
    236,358.66x = 42,053,734,073.29
  5. Step 5: Solve for x
    x = 42,053,734,073.29/236,358.66
  6. Step 6: Final answer
    x = 177,923.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.