Home / 156,115.65-234,005.54-67,410.93

Finding the Fourth Proportional to 156,115.65, 234,005.54 and 67,410.93

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Solution

The fourth proportional to 156,115.65, 234,005.54 and 67,410.93 is: 101,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,115.65 : 234,005.54 = 67,410.93 : x
  2. Step 2: Convert to fraction form
    156,115.65/234,005.54 = 67,410.93/x
  3. Step 3: Cross multiply
    156,115.65x = 234,005.54 × 67,410.93
  4. Step 4: Simplify right side
    156,115.65x = 15,774,530,739.50
  5. Step 5: Solve for x
    x = 15,774,530,739.50/156,115.65
  6. Step 6: Final answer
    x = 101,043.88

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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.