Home / 123,503.28-170,530.50-94,777.44

Finding the Fourth Proportional to 123,503.28, 170,530.50 and 94,777.44

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Solution

The fourth proportional to 123,503.28, 170,530.50 and 94,777.44 is: 130,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,503.28 : 170,530.50 = 94,777.44 : x
  2. Step 2: Convert to fraction form
    123,503.28/170,530.50 = 94,777.44/x
  3. Step 3: Cross multiply
    123,503.28x = 170,530.50 × 94,777.44
  4. Step 4: Simplify right side
    123,503.28x = 16,162,444,231.92
  5. Step 5: Solve for x
    x = 16,162,444,231.92/123,503.28
  6. Step 6: Final answer
    x = 130,866.52

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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.