Home / 109,318.02-150,832.50-61,571.34

Finding the Fourth Proportional to 109,318.02, 150,832.50 and 61,571.34

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Solution

The fourth proportional to 109,318.02, 150,832.50 and 61,571.34 is: 84,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.02 : 150,832.50 = 61,571.34 : x
  2. Step 2: Convert to fraction form
    109,318.02/150,832.50 = 61,571.34/x
  3. Step 3: Cross multiply
    109,318.02x = 150,832.50 × 61,571.34
  4. Step 4: Simplify right side
    109,318.02x = 9,286,959,140.55
  5. Step 5: Solve for x
    x = 9,286,959,140.55/109,318.02
  6. Step 6: Final answer
    x = 84,953.60

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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.