Home / 123,513.40-185,318.70-48,620.80

Finding the Fourth Proportional to 123,513.40, 185,318.70 and 48,620.80

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Solution

The fourth proportional to 123,513.40, 185,318.70 and 48,620.80 is: 72,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.40 : 185,318.70 = 48,620.80 : x
  2. Step 2: Convert to fraction form
    123,513.40/185,318.70 = 48,620.80/x
  3. Step 3: Cross multiply
    123,513.40x = 185,318.70 × 48,620.80
  4. Step 4: Simplify right side
    123,513.40x = 9,010,343,448.96
  5. Step 5: Solve for x
    x = 9,010,343,448.96/123,513.40
  6. Step 6: Final answer
    x = 72,950.33

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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.