Home / 102,669.56-141,682.46-57,348.20

Finding the Fourth Proportional to 102,669.56, 141,682.46 and 57,348.20

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Solution

The fourth proportional to 102,669.56, 141,682.46 and 57,348.20 is: 79,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,669.56 : 141,682.46 = 57,348.20 : x
  2. Step 2: Convert to fraction form
    102,669.56/141,682.46 = 57,348.20/x
  3. Step 3: Cross multiply
    102,669.56x = 141,682.46 × 57,348.20
  4. Step 4: Simplify right side
    102,669.56x = 8,125,233,057.42
  5. Step 5: Solve for x
    x = 8,125,233,057.42/102,669.56
  6. Step 6: Final answer
    x = 79,139.65

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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.