Home / 109,028.21-150,463.20-61,281.41

Finding the Fourth Proportional to 109,028.21, 150,463.20 and 61,281.41

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Solution

The fourth proportional to 109,028.21, 150,463.20 and 61,281.41 is: 84,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.21 : 150,463.20 = 61,281.41 : x
  2. Step 2: Convert to fraction form
    109,028.21/150,463.20 = 61,281.41/x
  3. Step 3: Cross multiply
    109,028.21x = 150,463.20 × 61,281.41
  4. Step 4: Simplify right side
    109,028.21x = 9,220,596,742.70
  5. Step 5: Solve for x
    x = 9,220,596,742.70/109,028.21
  6. Step 6: Final answer
    x = 84,570.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.