Home / 102,002.91-140,723.67-58,974.45

Finding the Fourth Proportional to 102,002.91, 140,723.67 and 58,974.45

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Solution

The fourth proportional to 102,002.91, 140,723.67 and 58,974.45 is: 81,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.91 : 140,723.67 = 58,974.45 : x
  2. Step 2: Convert to fraction form
    102,002.91/140,723.67 = 58,974.45/x
  3. Step 3: Cross multiply
    102,002.91x = 140,723.67 × 58,974.45
  4. Step 4: Simplify right side
    102,002.91x = 8,299,101,040.23
  5. Step 5: Solve for x
    x = 8,299,101,040.23/102,002.91
  6. Step 6: Final answer
    x = 81,361.41

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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.