Home / 92,619.10-138,914.10-29,430.90

Finding the Fourth Proportional to 92,619.10, 138,914.10 and 29,430.90

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Solution

The fourth proportional to 92,619.10, 138,914.10 and 29,430.90 is: 44,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619.10 : 138,914.10 = 29,430.90 : x
  2. Step 2: Convert to fraction form
    92,619.10/138,914.10 = 29,430.90/x
  3. Step 3: Cross multiply
    92,619.10x = 138,914.10 × 29,430.90
  4. Step 4: Simplify right side
    92,619.10x = 4,088,366,985.69
  5. Step 5: Solve for x
    x = 4,088,366,985.69/92,619.10
  6. Step 6: Final answer
    x = 44,141.73

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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.