Home / 243,541.17-336,090.62-136,118.16

Finding the Fourth Proportional to 243,541.17, 336,090.62 and 136,118.16

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Solution

The fourth proportional to 243,541.17, 336,090.62 and 136,118.16 is: 187,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.17 : 336,090.62 = 136,118.16 : x
  2. Step 2: Convert to fraction form
    243,541.17/336,090.62 = 136,118.16/x
  3. Step 3: Cross multiply
    243,541.17x = 336,090.62 × 136,118.16
  4. Step 4: Simplify right side
    243,541.17x = 45,748,036,107.07
  5. Step 5: Solve for x
    x = 45,748,036,107.07/243,541.17
  6. Step 6: Final answer
    x = 187,845.18

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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.