Home / 92,289.30-138,466.08-29,119.18

Finding the Fourth Proportional to 92,289.30, 138,466.08 and 29,119.18

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Solution

The fourth proportional to 92,289.30, 138,466.08 and 29,119.18 is: 43,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,289.30 : 138,466.08 = 29,119.18 : x
  2. Step 2: Convert to fraction form
    92,289.30/138,466.08 = 29,119.18/x
  3. Step 3: Cross multiply
    92,289.30x = 138,466.08 × 29,119.18
  4. Step 4: Simplify right side
    92,289.30x = 4,032,018,707.41
  5. Step 5: Solve for x
    x = 4,032,018,707.41/92,289.30
  6. Step 6: Final answer
    x = 43,688.91

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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.