Home / 109,739.37-151,432.02-61,997.16

Finding the Fourth Proportional to 109,739.37, 151,432.02 and 61,997.16

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Solution

The fourth proportional to 109,739.37, 151,432.02 and 61,997.16 is: 85,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.37 : 151,432.02 = 61,997.16 : x
  2. Step 2: Convert to fraction form
    109,739.37/151,432.02 = 61,997.16/x
  3. Step 3: Cross multiply
    109,739.37x = 151,432.02 × 61,997.16
  4. Step 4: Simplify right side
    109,739.37x = 9,388,355,173.06
  5. Step 5: Solve for x
    x = 9,388,355,173.06/109,739.37
  6. Step 6: Final answer
    x = 85,551.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.