Home / 222,730.24-307,368.96-120,756.48

Finding the Fourth Proportional to 222,730.24, 307,368.96 and 120,756.48

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Solution

The fourth proportional to 222,730.24, 307,368.96 and 120,756.48 is: 166,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,730.24 : 307,368.96 = 120,756.48 : x
  2. Step 2: Convert to fraction form
    222,730.24/307,368.96 = 120,756.48/x
  3. Step 3: Cross multiply
    222,730.24x = 307,368.96 × 120,756.48
  4. Step 4: Simplify right side
    222,730.24x = 37,116,793,670.86
  5. Step 5: Solve for x
    x = 37,116,793,670.86/222,730.24
  6. Step 6: Final answer
    x = 166,644.61

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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.