Home / 103,092.68-142,169.94-67,271.24

Finding the Fourth Proportional to 103,092.68, 142,169.94 and 67,271.24

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Solution

The fourth proportional to 103,092.68, 142,169.94 and 67,271.24 is: 92,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.68 : 142,169.94 = 67,271.24 : x
  2. Step 2: Convert to fraction form
    103,092.68/142,169.94 = 67,271.24/x
  3. Step 3: Cross multiply
    103,092.68x = 142,169.94 × 67,271.24
  4. Step 4: Simplify right side
    103,092.68x = 9,563,948,154.53
  5. Step 5: Solve for x
    x = 9,563,948,154.53/103,092.68
  6. Step 6: Final answer
    x = 92,770.39

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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.