Home / 115,826.60-173,739.90-89,550.20

Finding the Fourth Proportional to 115,826.60, 173,739.90 and 89,550.20

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Solution

The fourth proportional to 115,826.60, 173,739.90 and 89,550.20 is: 134,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,826.60 : 173,739.90 = 89,550.20 : x
  2. Step 2: Convert to fraction form
    115,826.60/173,739.90 = 89,550.20/x
  3. Step 3: Cross multiply
    115,826.60x = 173,739.90 × 89,550.20
  4. Step 4: Simplify right side
    115,826.60x = 15,558,442,792.98
  5. Step 5: Solve for x
    x = 15,558,442,792.98/115,826.60
  6. Step 6: Final answer
    x = 134,325.30

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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.