Home / 99,100.26-148,599.36-39,920.04

Finding the Fourth Proportional to 99,100.26, 148,599.36 and 39,920.04

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Solution

The fourth proportional to 99,100.26, 148,599.36 and 39,920.04 is: 59,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100.26 : 148,599.36 = 39,920.04 : x
  2. Step 2: Convert to fraction form
    99,100.26/148,599.36 = 39,920.04/x
  3. Step 3: Cross multiply
    99,100.26x = 148,599.36 × 39,920.04
  4. Step 4: Simplify right side
    99,100.26x = 5,932,092,395.17
  5. Step 5: Solve for x
    x = 5,932,092,395.17/99,100.26
  6. Step 6: Final answer
    x = 59,859.50

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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.