Home / 103,634.58-155,428.59-40,456.26

Finding the Fourth Proportional to 103,634.58, 155,428.59 and 40,456.26

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Solution

The fourth proportional to 103,634.58, 155,428.59 and 40,456.26 is: 60,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.58 : 155,428.59 = 40,456.26 : x
  2. Step 2: Convert to fraction form
    103,634.58/155,428.59 = 40,456.26/x
  3. Step 3: Cross multiply
    103,634.58x = 155,428.59 × 40,456.26
  4. Step 4: Simplify right side
    103,634.58x = 6,288,059,448.47
  5. Step 5: Solve for x
    x = 6,288,059,448.47/103,634.58
  6. Step 6: Final answer
    x = 60,675.30

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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.