Home / 103,523.05-142,858.50-58,202.95

Finding the Fourth Proportional to 103,523.05, 142,858.50 and 58,202.95

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Solution

The fourth proportional to 103,523.05, 142,858.50 and 58,202.95 is: 80,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.05 : 142,858.50 = 58,202.95 : x
  2. Step 2: Convert to fraction form
    103,523.05/142,858.50 = 58,202.95/x
  3. Step 3: Cross multiply
    103,523.05x = 142,858.50 × 58,202.95
  4. Step 4: Simplify right side
    103,523.05x = 8,314,786,132.58
  5. Step 5: Solve for x
    x = 8,314,786,132.58/103,523.05
  6. Step 6: Final answer
    x = 80,318.21

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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.