Home / 156,980.10-235,470.15-63,485.85

Finding the Fourth Proportional to 156,980.10, 235,470.15 and 63,485.85

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Solution

The fourth proportional to 156,980.10, 235,470.15 and 63,485.85 is: 95,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.10 : 235,470.15 = 63,485.85 : x
  2. Step 2: Convert to fraction form
    156,980.10/235,470.15 = 63,485.85/x
  3. Step 3: Cross multiply
    156,980.10x = 235,470.15 × 63,485.85
  4. Step 4: Simplify right side
    156,980.10x = 14,949,022,622.38
  5. Step 5: Solve for x
    x = 14,949,022,622.38/156,980.10
  6. Step 6: Final answer
    x = 95,228.78

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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.