Home / 123,912.18-185,868.87-30,417.93

Finding the Fourth Proportional to 123,912.18, 185,868.87 and 30,417.93

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Solution

The fourth proportional to 123,912.18, 185,868.87 and 30,417.93 is: 45,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,912.18 : 185,868.87 = 30,417.93 : x
  2. Step 2: Convert to fraction form
    123,912.18/185,868.87 = 30,417.93/x
  3. Step 3: Cross multiply
    123,912.18x = 185,868.87 × 30,417.93
  4. Step 4: Simplify right side
    123,912.18x = 5,653,746,276.84
  5. Step 5: Solve for x
    x = 5,653,746,276.84/123,912.18
  6. Step 6: Final answer
    x = 45,627.04

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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.