Home / 187,104.23-258,288.80-119,214.28

Finding the Fourth Proportional to 187,104.23, 258,288.80 and 119,214.28

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Solution

The fourth proportional to 187,104.23, 258,288.80 and 119,214.28 is: 164,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,104.23 : 258,288.80 = 119,214.28 : x
  2. Step 2: Convert to fraction form
    187,104.23/258,288.80 = 119,214.28/x
  3. Step 3: Cross multiply
    187,104.23x = 258,288.80 × 119,214.28
  4. Step 4: Simplify right side
    187,104.23x = 30,791,713,721.43
  5. Step 5: Solve for x
    x = 30,791,713,721.43/187,104.23
  6. Step 6: Final answer
    x = 164,569.84

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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.