Home / 180,077.60-270,285.90-91,394.75

Finding the Fourth Proportional to 180,077.60, 270,285.90 and 91,394.75

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Solution

The fourth proportional to 180,077.60, 270,285.90 and 91,394.75 is: 137,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,077.60 : 270,285.90 = 91,394.75 : x
  2. Step 2: Convert to fraction form
    180,077.60/270,285.90 = 91,394.75/x
  3. Step 3: Cross multiply
    180,077.60x = 270,285.90 × 91,394.75
  4. Step 4: Simplify right side
    180,077.60x = 24,702,711,802.05
  5. Step 5: Solve for x
    x = 24,702,711,802.05/180,077.60
  6. Step 6: Final answer
    x = 137,178.15

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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.