Home / 128,403.27-192,699.51-60,935.52

Finding the Fourth Proportional to 128,403.27, 192,699.51 and 60,935.52

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Solution

The fourth proportional to 128,403.27, 192,699.51 and 60,935.52 is: 91,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,403.27 : 192,699.51 = 60,935.52 : x
  2. Step 2: Convert to fraction form
    128,403.27/192,699.51 = 60,935.52/x
  3. Step 3: Cross multiply
    128,403.27x = 192,699.51 × 60,935.52
  4. Step 4: Simplify right side
    128,403.27x = 11,742,244,845.60
  5. Step 5: Solve for x
    x = 11,742,244,845.60/128,403.27
  6. Step 6: Final answer
    x = 91,448.18

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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.