Home / 123,538.72-185,306.26-39,303.98

Finding the Fourth Proportional to 123,538.72, 185,306.26 and 39,303.98

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Solution

The fourth proportional to 123,538.72, 185,306.26 and 39,303.98 is: 58,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,538.72 : 185,306.26 = 39,303.98 : x
  2. Step 2: Convert to fraction form
    123,538.72/185,306.26 = 39,303.98/x
  3. Step 3: Cross multiply
    123,538.72x = 185,306.26 × 39,303.98
  4. Step 4: Simplify right side
    123,538.72x = 7,283,273,536.91
  5. Step 5: Solve for x
    x = 7,283,273,536.91/123,538.72
  6. Step 6: Final answer
    x = 58,955.39

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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.