Home / 120,400.02-166,154.79-65,957.39

Finding the Fourth Proportional to 120,400.02, 166,154.79 and 65,957.39

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Solution

The fourth proportional to 120,400.02, 166,154.79 and 65,957.39 is: 91,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,400.02 : 166,154.79 = 65,957.39 : x
  2. Step 2: Convert to fraction form
    120,400.02/166,154.79 = 65,957.39/x
  3. Step 3: Cross multiply
    120,400.02x = 166,154.79 × 65,957.39
  4. Step 4: Simplify right side
    120,400.02x = 10,959,136,284.40
  5. Step 5: Solve for x
    x = 10,959,136,284.40/120,400.02
  6. Step 6: Final answer
    x = 91,022.71

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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.