Home / 179,653.60-269,699.10-90,861.40

Finding the Fourth Proportional to 179,653.60, 269,699.10 and 90,861.40

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Solution

The fourth proportional to 179,653.60, 269,699.10 and 90,861.40 is: 136,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,653.60 : 269,699.10 = 90,861.40 : x
  2. Step 2: Convert to fraction form
    179,653.60/269,699.10 = 90,861.40/x
  3. Step 3: Cross multiply
    179,653.60x = 269,699.10 × 90,861.40
  4. Step 4: Simplify right side
    179,653.60x = 24,505,237,804.74
  5. Step 5: Solve for x
    x = 24,505,237,804.74/179,653.60
  6. Step 6: Final answer
    x = 136,402.71

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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.