Home / 192,411.02-288,659.12-66,048.43

Finding the Fourth Proportional to 192,411.02, 288,659.12 and 66,048.43

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Solution

The fourth proportional to 192,411.02, 288,659.12 and 66,048.43 is: 99,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,411.02 : 288,659.12 = 66,048.43 : x
  2. Step 2: Convert to fraction form
    192,411.02/288,659.12 = 66,048.43/x
  3. Step 3: Cross multiply
    192,411.02x = 288,659.12 × 66,048.43
  4. Step 4: Simplify right side
    192,411.02x = 19,065,481,681.18
  5. Step 5: Solve for x
    x = 19,065,481,681.18/192,411.02
  6. Step 6: Final answer
    x = 99,087.26

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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.