Home / 189,955.42-262,152.71-108,285.62

Finding the Fourth Proportional to 189,955.42, 262,152.71 and 108,285.62

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Solution

The fourth proportional to 189,955.42, 262,152.71 and 108,285.62 is: 149,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,955.42 : 262,152.71 = 108,285.62 : x
  2. Step 2: Convert to fraction form
    189,955.42/262,152.71 = 108,285.62/x
  3. Step 3: Cross multiply
    189,955.42x = 262,152.71 × 108,285.62
  4. Step 4: Simplify right side
    189,955.42x = 28,387,368,737.03
  5. Step 5: Solve for x
    x = 28,387,368,737.03/189,955.42
  6. Step 6: Final answer
    x = 149,442.27

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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.