Home / 102,665.63-141,677.07-57,344.25

Finding the Fourth Proportional to 102,665.63, 141,677.07 and 57,344.25

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Solution

The fourth proportional to 102,665.63, 141,677.07 and 57,344.25 is: 79,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,665.63 : 141,677.07 = 57,344.25 : x
  2. Step 2: Convert to fraction form
    102,665.63/141,677.07 = 57,344.25/x
  3. Step 3: Cross multiply
    102,665.63x = 141,677.07 × 57,344.25
  4. Step 4: Simplify right side
    102,665.63x = 8,124,365,675.54
  5. Step 5: Solve for x
    x = 8,124,365,675.54/102,665.63
  6. Step 6: Final answer
    x = 79,134.23

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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.