Home / 125,271.56-187,918.28-31,777.31

Finding the Fourth Proportional to 125,271.56, 187,918.28 and 31,777.31

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Solution

The fourth proportional to 125,271.56, 187,918.28 and 31,777.31 is: 47,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,271.56 : 187,918.28 = 31,777.31 : x
  2. Step 2: Convert to fraction form
    125,271.56/187,918.28 = 31,777.31/x
  3. Step 3: Cross multiply
    125,271.56x = 187,918.28 × 31,777.31
  4. Step 4: Simplify right side
    125,271.56x = 5,971,537,868.30
  5. Step 5: Solve for x
    x = 5,971,537,868.30/125,271.56
  6. Step 6: Final answer
    x = 47,668.74

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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.