Home / 178,142.08-245,840.06-101,659.66

Finding the Fourth Proportional to 178,142.08, 245,840.06 and 101,659.66

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Solution

The fourth proportional to 178,142.08, 245,840.06 and 101,659.66 is: 140,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,142.08 : 245,840.06 = 101,659.66 : x
  2. Step 2: Convert to fraction form
    178,142.08/245,840.06 = 101,659.66/x
  3. Step 3: Cross multiply
    178,142.08x = 245,840.06 × 101,659.66
  4. Step 4: Simplify right side
    178,142.08x = 24,992,016,913.98
  5. Step 5: Solve for x
    x = 24,992,016,913.98/178,142.08
  6. Step 6: Final answer
    x = 140,292.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.