Home / 187,922.08-259,335.84-103,038.13

Finding the Fourth Proportional to 187,922.08, 259,335.84 and 103,038.13

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Solution

The fourth proportional to 187,922.08, 259,335.84 and 103,038.13 is: 142,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,922.08 : 259,335.84 = 103,038.13 : x
  2. Step 2: Convert to fraction form
    187,922.08/259,335.84 = 103,038.13/x
  3. Step 3: Cross multiply
    187,922.08x = 259,335.84 × 103,038.13
  4. Step 4: Simplify right side
    187,922.08x = 26,721,479,995.58
  5. Step 5: Solve for x
    x = 26,721,479,995.58/187,922.08
  6. Step 6: Final answer
    x = 142,194.47

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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.