Home / 135,035.20-186,347.52-74,609.92

Finding the Fourth Proportional to 135,035.20, 186,347.52 and 74,609.92

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Solution

The fourth proportional to 135,035.20, 186,347.52 and 74,609.92 is: 102,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,035.20 : 186,347.52 = 74,609.92 : x
  2. Step 2: Convert to fraction form
    135,035.20/186,347.52 = 74,609.92/x
  3. Step 3: Cross multiply
    135,035.20x = 186,347.52 × 74,609.92
  4. Step 4: Simplify right side
    135,035.20x = 13,903,373,559.40
  5. Step 5: Solve for x
    x = 13,903,373,559.40/135,035.20
  6. Step 6: Final answer
    x = 102,961.11

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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.