Home / 222,767.69-307,307.18-159,142.39

Finding the Fourth Proportional to 222,767.69, 307,307.18 and 159,142.39

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Solution

The fourth proportional to 222,767.69, 307,307.18 and 159,142.39 is: 219,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,767.69 : 307,307.18 = 159,142.39 : x
  2. Step 2: Convert to fraction form
    222,767.69/307,307.18 = 159,142.39/x
  3. Step 3: Cross multiply
    222,767.69x = 307,307.18 × 159,142.39
  4. Step 4: Simplify right side
    222,767.69x = 48,905,598,718.95
  5. Step 5: Solve for x
    x = 48,905,598,718.95/222,767.69
  6. Step 6: Final answer
    x = 219,536.32

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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.