Home / 135,035.34-186,346.17-74,608.62

Finding the Fourth Proportional to 135,035.34, 186,346.17 and 74,608.62

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Solution

The fourth proportional to 135,035.34, 186,346.17 and 74,608.62 is: 102,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,035.34 : 186,346.17 = 74,608.62 : x
  2. Step 2: Convert to fraction form
    135,035.34/186,346.17 = 74,608.62/x
  3. Step 3: Cross multiply
    135,035.34x = 186,346.17 × 74,608.62
  4. Step 4: Simplify right side
    135,035.34x = 13,903,030,585.99
  5. Step 5: Solve for x
    x = 13,903,030,585.99/135,035.34
  6. Step 6: Final answer
    x = 102,958.46

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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.