Home / 187,014.60-258,081.08-102,131.66

Finding the Fourth Proportional to 187,014.60, 258,081.08 and 102,131.66

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Solution

The fourth proportional to 187,014.60, 258,081.08 and 102,131.66 is: 140,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,014.60 : 258,081.08 = 102,131.66 : x
  2. Step 2: Convert to fraction form
    187,014.60/258,081.08 = 102,131.66/x
  3. Step 3: Cross multiply
    187,014.60x = 258,081.08 × 102,131.66
  4. Step 4: Simplify right side
    187,014.60x = 26,358,249,114.99
  5. Step 5: Solve for x
    x = 26,358,249,114.99/187,014.60
  6. Step 6: Final answer
    x = 140,942.20

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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.