Home / 235,966.22-325,623.40-128,537.13

Finding the Fourth Proportional to 235,966.22, 325,623.40 and 128,537.13

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Solution

The fourth proportional to 235,966.22, 325,623.40 and 128,537.13 is: 177,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,966.22 : 325,623.40 = 128,537.13 : x
  2. Step 2: Convert to fraction form
    235,966.22/325,623.40 = 128,537.13/x
  3. Step 3: Cross multiply
    235,966.22x = 325,623.40 × 128,537.13
  4. Step 4: Simplify right side
    235,966.22x = 41,854,697,296.84
  5. Step 5: Solve for x
    x = 41,854,697,296.84/235,966.22
  6. Step 6: Final answer
    x = 177,375.80

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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.