Home / 98,186.63-135,486.14-55,160.15

Finding the Fourth Proportional to 98,186.63, 135,486.14 and 55,160.15

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Solution

The fourth proportional to 98,186.63, 135,486.14 and 55,160.15 is: 76,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,186.63 : 135,486.14 = 55,160.15 : x
  2. Step 2: Convert to fraction form
    98,186.63/135,486.14 = 55,160.15/x
  3. Step 3: Cross multiply
    98,186.63x = 135,486.14 × 55,160.15
  4. Step 4: Simplify right side
    98,186.63x = 7,473,434,852.09
  5. Step 5: Solve for x
    x = 7,473,434,852.09/98,186.63
  6. Step 6: Final answer
    x = 76,114.59

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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.