Home / 125,995.25-188,988.14-31,225.74

Finding the Fourth Proportional to 125,995.25, 188,988.14 and 31,225.74

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Solution

The fourth proportional to 125,995.25, 188,988.14 and 31,225.74 is: 46,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,995.25 : 188,988.14 = 31,225.74 : x
  2. Step 2: Convert to fraction form
    125,995.25/188,988.14 = 31,225.74/x
  3. Step 3: Cross multiply
    125,995.25x = 188,988.14 × 31,225.74
  4. Step 4: Simplify right side
    125,995.25x = 5,901,294,600.79
  5. Step 5: Solve for x
    x = 5,901,294,600.79/125,995.25
  6. Step 6: Final answer
    x = 46,837.44

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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.