Home / 102,609.84-141,600.48-57,286.82

Finding the Fourth Proportional to 102,609.84, 141,600.48 and 57,286.82

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Solution

The fourth proportional to 102,609.84, 141,600.48 and 57,286.82 is: 79,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,609.84 : 141,600.48 = 57,286.82 : x
  2. Step 2: Convert to fraction form
    102,609.84/141,600.48 = 57,286.82/x
  3. Step 3: Cross multiply
    102,609.84x = 141,600.48 × 57,286.82
  4. Step 4: Simplify right side
    102,609.84x = 8,111,841,209.67
  5. Step 5: Solve for x
    x = 8,111,841,209.67/102,609.84
  6. Step 6: Final answer
    x = 79,055.20

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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.