Home / 92,943.21-139,346.16-29,726.76

Finding the Fourth Proportional to 92,943.21, 139,346.16 and 29,726.76

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Solution

The fourth proportional to 92,943.21, 139,346.16 and 29,726.76 is: 44,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,943.21 : 139,346.16 = 29,726.76 : x
  2. Step 2: Convert to fraction form
    92,943.21/139,346.16 = 29,726.76/x
  3. Step 3: Cross multiply
    92,943.21x = 139,346.16 × 29,726.76
  4. Step 4: Simplify right side
    92,943.21x = 4,142,309,855.24
  5. Step 5: Solve for x
    x = 4,142,309,855.24/92,943.21
  6. Step 6: Final answer
    x = 44,568.18

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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.