Home / 202,280.37-279,137.45-116,178.80

Finding the Fourth Proportional to 202,280.37, 279,137.45 and 116,178.80

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Solution

The fourth proportional to 202,280.37, 279,137.45 and 116,178.80 is: 160,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,280.37 : 279,137.45 = 116,178.80 : x
  2. Step 2: Convert to fraction form
    202,280.37/279,137.45 = 116,178.80/x
  3. Step 3: Cross multiply
    202,280.37x = 279,137.45 × 116,178.80
  4. Step 4: Simplify right side
    202,280.37x = 32,429,851,999.48
  5. Step 5: Solve for x
    x = 32,429,851,999.48/202,280.37
  6. Step 6: Final answer
    x = 160,321.30

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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.