Home / 102,270.69-141,094.37-75,477.11

Finding the Fourth Proportional to 102,270.69, 141,094.37 and 75,477.11

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Solution

The fourth proportional to 102,270.69, 141,094.37 and 75,477.11 is: 104,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.69 : 141,094.37 = 75,477.11 : x
  2. Step 2: Convert to fraction form
    102,270.69/141,094.37 = 75,477.11/x
  3. Step 3: Cross multiply
    102,270.69x = 141,094.37 × 75,477.11
  4. Step 4: Simplify right side
    102,270.69x = 10,649,394,768.09
  5. Step 5: Solve for x
    x = 10,649,394,768.09/102,270.69
  6. Step 6: Final answer
    x = 104,129.49

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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.