Home / 136,085.22-187,801.68-74,828.23

Finding the Fourth Proportional to 136,085.22, 187,801.68 and 74,828.23

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Solution

The fourth proportional to 136,085.22, 187,801.68 and 74,828.23 is: 103,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.22 : 187,801.68 = 74,828.23 : x
  2. Step 2: Convert to fraction form
    136,085.22/187,801.68 = 74,828.23/x
  3. Step 3: Cross multiply
    136,085.22x = 187,801.68 × 74,828.23
  4. Step 4: Simplify right side
    136,085.22x = 14,052,867,305.43
  5. Step 5: Solve for x
    x = 14,052,867,305.43/136,085.22
  6. Step 6: Final answer
    x = 103,265.20

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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.