Home / 178,246.02-245,887.50-120,865.92

Finding the Fourth Proportional to 178,246.02, 245,887.50 and 120,865.92

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Solution

The fourth proportional to 178,246.02, 245,887.50 and 120,865.92 is: 166,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,246.02 : 245,887.50 = 120,865.92 : x
  2. Step 2: Convert to fraction form
    178,246.02/245,887.50 = 120,865.92/x
  3. Step 3: Cross multiply
    178,246.02x = 245,887.50 × 120,865.92
  4. Step 4: Simplify right side
    178,246.02x = 29,719,418,904
  5. Step 5: Solve for x
    x = 29,719,418,904/178,246.02
  6. Step 6: Final answer
    x = 166,732.58

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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.