Home / 125,154.25-187,715.71-40,907.36

Finding the Fourth Proportional to 125,154.25, 187,715.71 and 40,907.36

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Solution

The fourth proportional to 125,154.25, 187,715.71 and 40,907.36 is: 61,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.25 : 187,715.71 = 40,907.36 : x
  2. Step 2: Convert to fraction form
    125,154.25/187,715.71 = 40,907.36/x
  3. Step 3: Cross multiply
    125,154.25x = 187,715.71 × 40,907.36
  4. Step 4: Simplify right side
    125,154.25x = 7,678,954,647.05
  5. Step 5: Solve for x
    x = 7,678,954,647.05/125,154.25
  6. Step 6: Final answer
    x = 61,355.93

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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.