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Finding the Fourth Proportional to 192,090.93, 288,119.11 and 67,424.37

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Solution

The fourth proportional to 192,090.93, 288,119.11 and 67,424.37 is: 101,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,090.93 : 288,119.11 = 67,424.37 : x
  2. Step 2: Convert to fraction form
    192,090.93/288,119.11 = 67,424.37/x
  3. Step 3: Cross multiply
    192,090.93x = 288,119.11 × 67,424.37
  4. Step 4: Simplify right side
    192,090.93x = 19,426,249,476.71
  5. Step 5: Solve for x
    x = 19,426,249,476.71/192,090.93
  6. Step 6: Final answer
    x = 101,130.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.