Home / 75,172.21-112,768.71-25,266.58

Finding the Fourth Proportional to 75,172.21, 112,768.71 and 25,266.58

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Solution

The fourth proportional to 75,172.21, 112,768.71 and 25,266.58 is: 37,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172.21 : 112,768.71 = 25,266.58 : x
  2. Step 2: Convert to fraction form
    75,172.21/112,768.71 = 25,266.58/x
  3. Step 3: Cross multiply
    75,172.21x = 112,768.71 × 25,266.58
  4. Step 4: Simplify right side
    75,172.21x = 2,849,279,632.71
  5. Step 5: Solve for x
    x = 2,849,279,632.71/75,172.21
  6. Step 6: Final answer
    x = 37,903.36

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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.