Home / 187,091.02-258,185.60-102,208.08

Finding the Fourth Proportional to 187,091.02, 258,185.60 and 102,208.08

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Solution

The fourth proportional to 187,091.02, 258,185.60 and 102,208.08 is: 141,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,091.02 : 258,185.60 = 102,208.08 : x
  2. Step 2: Convert to fraction form
    187,091.02/258,185.60 = 102,208.08/x
  3. Step 3: Cross multiply
    187,091.02x = 258,185.60 × 102,208.08
  4. Step 4: Simplify right side
    187,091.02x = 26,388,654,135.25
  5. Step 5: Solve for x
    x = 26,388,654,135.25/187,091.02
  6. Step 6: Final answer
    x = 141,047.15

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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.