Home / 236,806.47-326,788.83-129,373.74

Finding the Fourth Proportional to 236,806.47, 326,788.83 and 129,373.74

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Solution

The fourth proportional to 236,806.47, 326,788.83 and 129,373.74 is: 178,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,806.47 : 326,788.83 = 129,373.74 : x
  2. Step 2: Convert to fraction form
    236,806.47/326,788.83 = 129,373.74/x
  3. Step 3: Cross multiply
    236,806.47x = 326,788.83 × 129,373.74
  4. Step 4: Simplify right side
    236,806.47x = 42,277,893,127.32
  5. Step 5: Solve for x
    x = 42,277,893,127.32/236,806.47
  6. Step 6: Final answer
    x = 178,533.52

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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.