Home / 135,953.19-187,563.06-100,228.14

Finding the Fourth Proportional to 135,953.19, 187,563.06 and 100,228.14

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Solution

The fourth proportional to 135,953.19, 187,563.06 and 100,228.14 is: 138,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.19 : 187,563.06 = 100,228.14 : x
  2. Step 2: Convert to fraction form
    135,953.19/187,563.06 = 100,228.14/x
  3. Step 3: Cross multiply
    135,953.19x = 187,563.06 × 100,228.14
  4. Step 4: Simplify right side
    135,953.19x = 18,799,096,636.51
  5. Step 5: Solve for x
    x = 18,799,096,636.51/135,953.19
  6. Step 6: Final answer
    x = 138,276.25

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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.