Home / 92,073.57-138,116.19-28,896.18

Finding the Fourth Proportional to 92,073.57, 138,116.19 and 28,896.18

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Solution

The fourth proportional to 92,073.57, 138,116.19 and 28,896.18 is: 43,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,073.57 : 138,116.19 = 28,896.18 : x
  2. Step 2: Convert to fraction form
    92,073.57/138,116.19 = 28,896.18/x
  3. Step 3: Cross multiply
    92,073.57x = 138,116.19 × 28,896.18
  4. Step 4: Simplify right side
    92,073.57x = 3,991,030,287.15
  5. Step 5: Solve for x
    x = 3,991,030,287.15/92,073.57
  6. Step 6: Final answer
    x = 43,346.10

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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.