Home / 125,634.81-188,487.39-50,807.50

Finding the Fourth Proportional to 125,634.81, 188,487.39 and 50,807.50

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Solution

The fourth proportional to 125,634.81, 188,487.39 and 50,807.50 is: 76,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634.81 : 188,487.39 = 50,807.50 : x
  2. Step 2: Convert to fraction form
    125,634.81/188,487.39 = 50,807.50/x
  3. Step 3: Cross multiply
    125,634.81x = 188,487.39 × 50,807.50
  4. Step 4: Simplify right side
    125,634.81x = 9,576,572,596.21
  5. Step 5: Solve for x
    x = 9,576,572,596.21/125,634.81
  6. Step 6: Final answer
    x = 76,225.47

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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.