Home / 134,647.37-185,824.08-74,228.75

Finding the Fourth Proportional to 134,647.37, 185,824.08 and 74,228.75

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Solution

The fourth proportional to 134,647.37, 185,824.08 and 74,228.75 is: 102,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,647.37 : 185,824.08 = 74,228.75 : x
  2. Step 2: Convert to fraction form
    134,647.37/185,824.08 = 74,228.75/x
  3. Step 3: Cross multiply
    134,647.37x = 185,824.08 × 74,228.75
  4. Step 4: Simplify right side
    134,647.37x = 13,793,489,178.30
  5. Step 5: Solve for x
    x = 13,793,489,178.30/134,647.37
  6. Step 6: Final answer
    x = 102,441.58

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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.