Home / 242,099.40-334,137.96-140,127.60

Finding the Fourth Proportional to 242,099.40, 334,137.96 and 140,127.60

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Solution

The fourth proportional to 242,099.40, 334,137.96 and 140,127.60 is: 193,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,099.40 : 334,137.96 = 140,127.60 : x
  2. Step 2: Convert to fraction form
    242,099.40/334,137.96 = 140,127.60/x
  3. Step 3: Cross multiply
    242,099.40x = 334,137.96 × 140,127.60
  4. Step 4: Simplify right side
    242,099.40x = 46,821,950,403.70
  5. Step 5: Solve for x
    x = 46,821,950,403.70/242,099.40
  6. Step 6: Final answer
    x = 193,399.70

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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.