Home / 187,017.74-258,169.46-119,127.80

Finding the Fourth Proportional to 187,017.74, 258,169.46 and 119,127.80

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Solution

The fourth proportional to 187,017.74, 258,169.46 and 119,127.80 is: 164,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,017.74 : 258,169.46 = 119,127.80 : x
  2. Step 2: Convert to fraction form
    187,017.74/258,169.46 = 119,127.80/x
  3. Step 3: Cross multiply
    187,017.74x = 258,169.46 × 119,127.80
  4. Step 4: Simplify right side
    187,017.74x = 30,755,159,064.66
  5. Step 5: Solve for x
    x = 30,755,159,064.66/187,017.74
  6. Step 6: Final answer
    x = 164,450.49

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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.