Home / 236,738.74-326,697.52-129,308.84

Finding the Fourth Proportional to 236,738.74, 326,697.52 and 129,308.84

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Solution

The fourth proportional to 236,738.74, 326,697.52 and 129,308.84 is: 178,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,738.74 : 326,697.52 = 129,308.84 : x
  2. Step 2: Convert to fraction form
    236,738.74/326,697.52 = 129,308.84/x
  3. Step 3: Cross multiply
    236,738.74x = 326,697.52 × 129,308.84
  4. Step 4: Simplify right side
    236,738.74x = 42,244,877,342.08
  5. Step 5: Solve for x
    x = 42,244,877,342.08/236,738.74
  6. Step 6: Final answer
    x = 178,445.14

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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.