Home / 134,843.10-186,084.27-74,415.30

Finding the Fourth Proportional to 134,843.10, 186,084.27 and 74,415.30

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Solution

The fourth proportional to 134,843.10, 186,084.27 and 74,415.30 is: 102,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.10 : 186,084.27 = 74,415.30 : x
  2. Step 2: Convert to fraction form
    134,843.10/186,084.27 = 74,415.30/x
  3. Step 3: Cross multiply
    134,843.10x = 186,084.27 × 74,415.30
  4. Step 4: Simplify right side
    134,843.10x = 13,847,516,777.33
  5. Step 5: Solve for x
    x = 13,847,516,777.33/134,843.10
  6. Step 6: Final answer
    x = 102,693.55

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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.