Home / 149,025.60-223,408.80-89,798.40

Finding the Fourth Proportional to 149,025.60, 223,408.80 and 89,798.40

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Solution

The fourth proportional to 149,025.60, 223,408.80 and 89,798.40 is: 134,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025.60 : 223,408.80 = 89,798.40 : x
  2. Step 2: Convert to fraction form
    149,025.60/223,408.80 = 89,798.40/x
  3. Step 3: Cross multiply
    149,025.60x = 223,408.80 × 89,798.40
  4. Step 4: Simplify right side
    149,025.60x = 20,061,752,785.92
  5. Step 5: Solve for x
    x = 20,061,752,785.92/149,025.60
  6. Step 6: Final answer
    x = 134,619.51

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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.