Home / 178,345.30-246,147.78-135,466.72

Finding the Fourth Proportional to 178,345.30, 246,147.78 and 135,466.72

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Solution

The fourth proportional to 178,345.30, 246,147.78 and 135,466.72 is: 186,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.30 : 246,147.78 = 135,466.72 : x
  2. Step 2: Convert to fraction form
    178,345.30/246,147.78 = 135,466.72/x
  3. Step 3: Cross multiply
    178,345.30x = 246,147.78 × 135,466.72
  4. Step 4: Simplify right side
    178,345.30x = 33,344,832,391.88
  5. Step 5: Solve for x
    x = 33,344,832,391.88/178,345.30
  6. Step 6: Final answer
    x = 186,967.82

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1.5x scale

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.