Home / 135,466.73-186,967.24-78,095.64

Finding the Fourth Proportional to 135,466.73, 186,967.24 and 78,095.64

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Solution

The fourth proportional to 135,466.73, 186,967.24 and 78,095.64 is: 107,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,466.73 : 186,967.24 = 78,095.64 : x
  2. Step 2: Convert to fraction form
    135,466.73/186,967.24 = 78,095.64/x
  3. Step 3: Cross multiply
    135,466.73x = 186,967.24 × 78,095.64
  4. Step 4: Simplify right side
    135,466.73x = 14,601,326,772.72
  5. Step 5: Solve for x
    x = 14,601,326,772.72/135,466.73
  6. Step 6: Final answer
    x = 107,785.34

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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.