Home / 243,485.19-336,008.84-136,055.32

Finding the Fourth Proportional to 243,485.19, 336,008.84 and 136,055.32

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Solution

The fourth proportional to 243,485.19, 336,008.84 and 136,055.32 is: 187,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,485.19 : 336,008.84 = 136,055.32 : x
  2. Step 2: Convert to fraction form
    243,485.19/336,008.84 = 136,055.32/x
  3. Step 3: Cross multiply
    243,485.19x = 336,008.84 × 136,055.32
  4. Step 4: Simplify right side
    243,485.19x = 45,715,788,728.73
  5. Step 5: Solve for x
    x = 45,715,788,728.73/243,485.19
  6. Step 6: Final answer
    x = 187,755.93

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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.