Home / 262,664.02-394,089.12-129,637.66

Finding the Fourth Proportional to 262,664.02, 394,089.12 and 129,637.66

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Solution

The fourth proportional to 262,664.02, 394,089.12 and 129,637.66 is: 194,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,664.02 : 394,089.12 = 129,637.66 : x
  2. Step 2: Convert to fraction form
    262,664.02/394,089.12 = 129,637.66/x
  3. Step 3: Cross multiply
    262,664.02x = 394,089.12 × 129,637.66
  4. Step 4: Simplify right side
    262,664.02x = 51,088,791,348.26
  5. Step 5: Solve for x
    x = 51,088,791,348.26/262,664.02
  6. Step 6: Final answer
    x = 194,502.43

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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.