Home / 125,395.04-187,972.64-46,488.16

Finding the Fourth Proportional to 125,395.04, 187,972.64 and 46,488.16

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Solution

The fourth proportional to 125,395.04, 187,972.64 and 46,488.16 is: 69,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395.04 : 187,972.64 = 46,488.16 : x
  2. Step 2: Convert to fraction form
    125,395.04/187,972.64 = 46,488.16/x
  3. Step 3: Cross multiply
    125,395.04x = 187,972.64 × 46,488.16
  4. Step 4: Simplify right side
    125,395.04x = 8,738,502,163.94
  5. Step 5: Solve for x
    x = 8,738,502,163.94/125,395.04
  6. Step 6: Final answer
    x = 69,687.78

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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.