Home / 222,002.10-333,003.15-128,690.10

Finding the Fourth Proportional to 222,002.10, 333,003.15 and 128,690.10

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Solution

The fourth proportional to 222,002.10, 333,003.15 and 128,690.10 is: 193,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.10 : 333,003.15 = 128,690.10 : x
  2. Step 2: Convert to fraction form
    222,002.10/333,003.15 = 128,690.10/x
  3. Step 3: Cross multiply
    222,002.10x = 333,003.15 × 128,690.10
  4. Step 4: Simplify right side
    222,002.10x = 42,854,208,673.82
  5. Step 5: Solve for x
    x = 42,854,208,673.82/222,002.10
  6. Step 6: Final answer
    x = 193,035.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.