Home / 98,748.29-148,144.67-31,284.39

Finding the Fourth Proportional to 98,748.29, 148,144.67 and 31,284.39

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Solution

The fourth proportional to 98,748.29, 148,144.67 and 31,284.39 is: 46,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,748.29 : 148,144.67 = 31,284.39 : x
  2. Step 2: Convert to fraction form
    98,748.29/148,144.67 = 31,284.39/x
  3. Step 3: Cross multiply
    98,748.29x = 148,144.67 × 31,284.39
  4. Step 4: Simplify right side
    98,748.29x = 4,634,616,149.14
  5. Step 5: Solve for x
    x = 4,634,616,149.14/98,748.29
  6. Step 6: Final answer
    x = 46,933.63

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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.