Home / 243,755.10-336,399.08-136,335.06

Finding the Fourth Proportional to 243,755.10, 336,399.08 and 136,335.06

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Solution

The fourth proportional to 243,755.10, 336,399.08 and 136,335.06 is: 188,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,755.10 : 336,399.08 = 136,335.06 : x
  2. Step 2: Convert to fraction form
    243,755.10/336,399.08 = 136,335.06/x
  3. Step 3: Cross multiply
    243,755.10x = 336,399.08 × 136,335.06
  4. Step 4: Simplify right side
    243,755.10x = 45,862,988,074.07
  5. Step 5: Solve for x
    x = 45,862,988,074.07/243,755.10
  6. Step 6: Final answer
    x = 188,151.91

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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.