Home / 187,116.01-258,146.79-115,371.47

Finding the Fourth Proportional to 187,116.01, 258,146.79 and 115,371.47

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Solution

The fourth proportional to 187,116.01, 258,146.79 and 115,371.47 is: 159,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,116.01 : 258,146.79 = 115,371.47 : x
  2. Step 2: Convert to fraction form
    187,116.01/258,146.79 = 115,371.47/x
  3. Step 3: Cross multiply
    187,116.01x = 258,146.79 × 115,371.47
  4. Step 4: Simplify right side
    187,116.01x = 29,782,774,638.08
  5. Step 5: Solve for x
    x = 29,782,774,638.08/187,116.01
  6. Step 6: Final answer
    x = 159,167.43

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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.