Home / 151,084.57-208,497.13-83,108.51

Finding the Fourth Proportional to 151,084.57, 208,497.13 and 83,108.51

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Solution

The fourth proportional to 151,084.57, 208,497.13 and 83,108.51 is: 114,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,084.57 : 208,497.13 = 83,108.51 : x
  2. Step 2: Convert to fraction form
    151,084.57/208,497.13 = 83,108.51/x
  3. Step 3: Cross multiply
    151,084.57x = 208,497.13 × 83,108.51
  4. Step 4: Simplify right side
    151,084.57x = 17,327,885,398.03
  5. Step 5: Solve for x
    x = 17,327,885,398.03/151,084.57
  6. Step 6: Final answer
    x = 114,689.97

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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.