Home / 134,811.72-201,791.07-84,718.47

Finding the Fourth Proportional to 134,811.72, 201,791.07 and 84,718.47

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Solution

The fourth proportional to 134,811.72, 201,791.07 and 84,718.47 is: 126,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.72 : 201,791.07 = 84,718.47 : x
  2. Step 2: Convert to fraction form
    134,811.72/201,791.07 = 84,718.47/x
  3. Step 3: Cross multiply
    134,811.72x = 201,791.07 × 84,718.47
  4. Step 4: Simplify right side
    134,811.72x = 17,095,430,710.06
  5. Step 5: Solve for x
    x = 17,095,430,710.06/134,811.72
  6. Step 6: Final answer
    x = 126,809.68

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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.