Home / 102,394.60-153,619.57-31,319.73

Finding the Fourth Proportional to 102,394.60, 153,619.57 and 31,319.73

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Solution

The fourth proportional to 102,394.60, 153,619.57 and 31,319.73 is: 46,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.60 : 153,619.57 = 31,319.73 : x
  2. Step 2: Convert to fraction form
    102,394.60/153,619.57 = 31,319.73/x
  3. Step 3: Cross multiply
    102,394.60x = 153,619.57 × 31,319.73
  4. Step 4: Simplify right side
    102,394.60x = 4,811,323,494.27
  5. Step 5: Solve for x
    x = 4,811,323,494.27/102,394.60
  6. Step 6: Final answer
    x = 46,988.06

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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.