Home / 101,288.02-151,828.34-51,275.38

Finding the Fourth Proportional to 101,288.02, 151,828.34 and 51,275.38

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Solution

The fourth proportional to 101,288.02, 151,828.34 and 51,275.38 is: 76,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,288.02 : 151,828.34 = 51,275.38 : x
  2. Step 2: Convert to fraction form
    101,288.02/151,828.34 = 51,275.38/x
  3. Step 3: Cross multiply
    101,288.02x = 151,828.34 × 51,275.38
  4. Step 4: Simplify right side
    101,288.02x = 7,785,055,828.27
  5. Step 5: Solve for x
    x = 7,785,055,828.27/101,288.02
  6. Step 6: Final answer
    x = 76,860.58

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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.