Home / 236,929.86-326,963.79-129,501.18

Finding the Fourth Proportional to 236,929.86, 326,963.79 and 129,501.18

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Solution

The fourth proportional to 236,929.86, 326,963.79 and 129,501.18 is: 178,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,929.86 : 326,963.79 = 129,501.18 : x
  2. Step 2: Convert to fraction form
    236,929.86/326,963.79 = 129,501.18/x
  3. Step 3: Cross multiply
    236,929.86x = 326,963.79 × 129,501.18
  4. Step 4: Simplify right side
    236,929.86x = 42,342,196,622.27
  5. Step 5: Solve for x
    x = 42,342,196,622.27/236,929.86
  6. Step 6: Final answer
    x = 178,711.95

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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.