Home / 125,396.08-188,126.52-46,532.80

Finding the Fourth Proportional to 125,396.08, 188,126.52 and 46,532.80

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Solution

The fourth proportional to 125,396.08, 188,126.52 and 46,532.80 is: 69,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,396.08 : 188,126.52 = 46,532.80 : x
  2. Step 2: Convert to fraction form
    125,396.08/188,126.52 = 46,532.80/x
  3. Step 3: Cross multiply
    125,396.08x = 188,126.52 × 46,532.80
  4. Step 4: Simplify right side
    125,396.08x = 8,754,053,729.86
  5. Step 5: Solve for x
    x = 8,754,053,729.86/125,396.08
  6. Step 6: Final answer
    x = 69,811.22

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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.