Home / 125,329.82-187,950.94-50,430.51

Finding the Fourth Proportional to 125,329.82, 187,950.94 and 50,430.51

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Solution

The fourth proportional to 125,329.82, 187,950.94 and 50,430.51 is: 75,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,329.82 : 187,950.94 = 50,430.51 : x
  2. Step 2: Convert to fraction form
    125,329.82/187,950.94 = 50,430.51/x
  3. Step 3: Cross multiply
    125,329.82x = 187,950.94 × 50,430.51
  4. Step 4: Simplify right side
    125,329.82x = 9,478,461,633.10
  5. Step 5: Solve for x
    x = 9,478,461,633.10/125,329.82
  6. Step 6: Final answer
    x = 75,628.15

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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.