Home / 101,189.36-151,771.02-31,062.80

Finding the Fourth Proportional to 101,189.36, 151,771.02 and 31,062.80

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Solution

The fourth proportional to 101,189.36, 151,771.02 and 31,062.80 is: 46,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189.36 : 151,771.02 = 31,062.80 : x
  2. Step 2: Convert to fraction form
    101,189.36/151,771.02 = 31,062.80/x
  3. Step 3: Cross multiply
    101,189.36x = 151,771.02 × 31,062.80
  4. Step 4: Simplify right side
    101,189.36x = 4,714,432,840.06
  5. Step 5: Solve for x
    x = 4,714,432,840.06/101,189.36
  6. Step 6: Final answer
    x = 46,590.20

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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.