Home / 148,399.93-222,613.65-53,653.81

Finding the Fourth Proportional to 148,399.93, 222,613.65 and 53,653.81

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Solution

The fourth proportional to 148,399.93, 222,613.65 and 53,653.81 is: 80,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,399.93 : 222,613.65 = 53,653.81 : x
  2. Step 2: Convert to fraction form
    148,399.93/222,613.65 = 53,653.81/x
  3. Step 3: Cross multiply
    148,399.93x = 222,613.65 × 53,653.81
  4. Step 4: Simplify right side
    148,399.93x = 11,944,070,480.51
  5. Step 5: Solve for x
    x = 11,944,070,480.51/148,399.93
  6. Step 6: Final answer
    x = 80,485.69

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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.