Home / 90,529.60-135,999.20-62,881.60

Finding the Fourth Proportional to 90,529.60, 135,999.20 and 62,881.60

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Solution

The fourth proportional to 90,529.60, 135,999.20 and 62,881.60 is: 94,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.60 : 135,999.20 = 62,881.60 : x
  2. Step 2: Convert to fraction form
    90,529.60/135,999.20 = 62,881.60/x
  3. Step 3: Cross multiply
    90,529.60x = 135,999.20 × 62,881.60
  4. Step 4: Simplify right side
    90,529.60x = 8,551,847,294.72
  5. Step 5: Solve for x
    x = 8,551,847,294.72/90,529.60
  6. Step 6: Final answer
    x = 94,464.65

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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.