Home / 142,664.02-213,059.20-114,626.68

Finding the Fourth Proportional to 142,664.02, 213,059.20 and 114,626.68

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Solution

The fourth proportional to 142,664.02, 213,059.20 and 114,626.68 is: 171,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664.02 : 213,059.20 = 114,626.68 : x
  2. Step 2: Convert to fraction form
    142,664.02/213,059.20 = 114,626.68/x
  3. Step 3: Cross multiply
    142,664.02x = 213,059.20 × 114,626.68
  4. Step 4: Simplify right side
    142,664.02x = 24,422,268,739.46
  5. Step 5: Solve for x
    x = 24,422,268,739.46/142,664.02
  6. Step 6: Final answer
    x = 171,187.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.