Home / 175,387.64-262,999.66-91,125.15

Finding the Fourth Proportional to 175,387.64, 262,999.66 and 91,125.15

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Solution

The fourth proportional to 175,387.64, 262,999.66 and 91,125.15 is: 136,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,387.64 : 262,999.66 = 91,125.15 : x
  2. Step 2: Convert to fraction form
    175,387.64/262,999.66 = 91,125.15/x
  3. Step 3: Cross multiply
    175,387.64x = 262,999.66 × 91,125.15
  4. Step 4: Simplify right side
    175,387.64x = 23,965,882,152.45
  5. Step 5: Solve for x
    x = 23,965,882,152.45/175,387.64
  6. Step 6: Final answer
    x = 136,645.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.