Home / 135,645.92-187,200.96-75,222.35

Finding the Fourth Proportional to 135,645.92, 187,200.96 and 75,222.35

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Solution

The fourth proportional to 135,645.92, 187,200.96 and 75,222.35 is: 103,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,645.92 : 187,200.96 = 75,222.35 : x
  2. Step 2: Convert to fraction form
    135,645.92/187,200.96 = 75,222.35/x
  3. Step 3: Cross multiply
    135,645.92x = 187,200.96 × 75,222.35
  4. Step 4: Simplify right side
    135,645.92x = 14,081,696,133.46
  5. Step 5: Solve for x
    x = 14,081,696,133.46/135,645.92
  6. Step 6: Final answer
    x = 103,812.16

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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.