Home / 149,975.17-225,045.79-89,855.90

Finding the Fourth Proportional to 149,975.17, 225,045.79 and 89,855.90

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Solution

The fourth proportional to 149,975.17, 225,045.79 and 89,855.90 is: 134,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,975.17 : 225,045.79 = 89,855.90 : x
  2. Step 2: Convert to fraction form
    149,975.17/225,045.79 = 89,855.90/x
  3. Step 3: Cross multiply
    149,975.17x = 225,045.79 × 89,855.90
  4. Step 4: Simplify right side
    149,975.17x = 20,221,692,001.66
  5. Step 5: Solve for x
    x = 20,221,692,001.66/149,975.17
  6. Step 6: Final answer
    x = 134,833.60

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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.