Home / 152,585.10-228,719.70-68,385.60

Finding the Fourth Proportional to 152,585.10, 228,719.70 and 68,385.60

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Solution

The fourth proportional to 152,585.10, 228,719.70 and 68,385.60 is: 102,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,585.10 : 228,719.70 = 68,385.60 : x
  2. Step 2: Convert to fraction form
    152,585.10/228,719.70 = 68,385.60/x
  3. Step 3: Cross multiply
    152,585.10x = 228,719.70 × 68,385.60
  4. Step 4: Simplify right side
    152,585.10x = 15,641,133,916.32
  5. Step 5: Solve for x
    x = 15,641,133,916.32/152,585.10
  6. Step 6: Final answer
    x = 102,507.61

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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.