Home / 156,724.40-235,086.60-45,916.40

Finding the Fourth Proportional to 156,724.40, 235,086.60 and 45,916.40

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Solution

The fourth proportional to 156,724.40, 235,086.60 and 45,916.40 is: 68,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.40 : 235,086.60 = 45,916.40 : x
  2. Step 2: Convert to fraction form
    156,724.40/235,086.60 = 45,916.40/x
  3. Step 3: Cross multiply
    156,724.40x = 235,086.60 × 45,916.40
  4. Step 4: Simplify right side
    156,724.40x = 10,794,330,360.24
  5. Step 5: Solve for x
    x = 10,794,330,360.24/156,724.40
  6. Step 6: Final answer
    x = 68,874.60

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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.