Home / 135,636.31-187,186.38-75,206.93

Finding the Fourth Proportional to 135,636.31, 187,186.38 and 75,206.93

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Solution

The fourth proportional to 135,636.31, 187,186.38 and 75,206.93 is: 103,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,636.31 : 187,186.38 = 75,206.93 : x
  2. Step 2: Convert to fraction form
    135,636.31/187,186.38 = 75,206.93/x
  3. Step 3: Cross multiply
    135,636.31x = 187,186.38 × 75,206.93
  4. Step 4: Simplify right side
    135,636.31x = 14,077,712,812.58
  5. Step 5: Solve for x
    x = 14,077,712,812.58/135,636.31
  6. Step 6: Final answer
    x = 103,790.15

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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.