Home / 187,090.90-258,184.96-102,208.57

Finding the Fourth Proportional to 187,090.90, 258,184.96 and 102,208.57

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Solution

The fourth proportional to 187,090.90, 258,184.96 and 102,208.57 is: 141,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090.90 : 258,184.96 = 102,208.57 : x
  2. Step 2: Convert to fraction form
    187,090.90/258,184.96 = 102,208.57/x
  3. Step 3: Cross multiply
    187,090.90x = 258,184.96 × 102,208.57
  4. Step 4: Simplify right side
    187,090.90x = 26,388,714,656.12
  5. Step 5: Solve for x
    x = 26,388,714,656.12/187,090.90
  6. Step 6: Final answer
    x = 141,047.56

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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.