Home / 99,010.36-148,481-39,830.68

Finding the Fourth Proportional to 99,010.36, 148,481 and 39,830.68

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Solution

The fourth proportional to 99,010.36, 148,481 and 39,830.68 is: 59,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.36 : 148,481 = 39,830.68 : x
  2. Step 2: Convert to fraction form
    99,010.36/148,481 = 39,830.68/x
  3. Step 3: Cross multiply
    99,010.36x = 148,481 × 39,830.68
  4. Step 4: Simplify right side
    99,010.36x = 5,914,099,197.08
  5. Step 5: Solve for x
    x = 5,914,099,197.08/99,010.36
  6. Step 6: Final answer
    x = 59,732.12

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1.5x scale

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.