Home / 92,314.40-138,471.63-29,140.91

Finding the Fourth Proportional to 92,314.40, 138,471.63 and 29,140.91

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Solution

The fourth proportional to 92,314.40, 138,471.63 and 29,140.91 is: 43,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,314.40 : 138,471.63 = 29,140.91 : x
  2. Step 2: Convert to fraction form
    92,314.40/138,471.63 = 29,140.91/x
  3. Step 3: Cross multiply
    92,314.40x = 138,471.63 × 29,140.91
  4. Step 4: Simplify right side
    92,314.40x = 4,035,189,025.02
  5. Step 5: Solve for x
    x = 4,035,189,025.02/92,314.40
  6. Step 6: Final answer
    x = 43,711.37

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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.