Home / 102,187.74-140,974.92-58,557.10

Finding the Fourth Proportional to 102,187.74, 140,974.92 and 58,557.10

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Solution

The fourth proportional to 102,187.74, 140,974.92 and 58,557.10 is: 80,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,187.74 : 140,974.92 = 58,557.10 : x
  2. Step 2: Convert to fraction form
    102,187.74/140,974.92 = 58,557.10/x
  3. Step 3: Cross multiply
    102,187.74x = 140,974.92 × 58,557.10
  4. Step 4: Simplify right side
    102,187.74x = 8,255,082,487.93
  5. Step 5: Solve for x
    x = 8,255,082,487.93/102,187.74
  6. Step 6: Final answer
    x = 80,783.49

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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.