Home / 102,212.67-141,015.66-102,055.04

Finding the Fourth Proportional to 102,212.67, 141,015.66 and 102,055.04

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Solution

The fourth proportional to 102,212.67, 141,015.66 and 102,055.04 is: 140,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.67 : 141,015.66 = 102,055.04 : x
  2. Step 2: Convert to fraction form
    102,212.67/141,015.66 = 102,055.04/x
  3. Step 3: Cross multiply
    102,212.67x = 141,015.66 × 102,055.04
  4. Step 4: Simplify right side
    102,212.67x = 14,391,358,262.95
  5. Step 5: Solve for x
    x = 14,391,358,262.95/102,212.67
  6. Step 6: Final answer
    x = 140,798.18

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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.