Home / 187,229.02-258,511.36-115,707.10

Finding the Fourth Proportional to 187,229.02, 258,511.36 and 115,707.10

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Solution

The fourth proportional to 187,229.02, 258,511.36 and 115,707.10 is: 159,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,229.02 : 258,511.36 = 115,707.10 : x
  2. Step 2: Convert to fraction form
    187,229.02/258,511.36 = 115,707.10/x
  3. Step 3: Cross multiply
    187,229.02x = 258,511.36 × 115,707.10
  4. Step 4: Simplify right side
    187,229.02x = 29,911,599,782.66
  5. Step 5: Solve for x
    x = 29,911,599,782.66/187,229.02
  6. Step 6: Final answer
    x = 159,759.42

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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.