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Finding the Fourth Proportional to 189,159.52, 282,902.70 and 168,246.28

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Solution

The fourth proportional to 189,159.52, 282,902.70 and 168,246.28 is: 251,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,159.52 : 282,902.70 = 168,246.28 : x
  2. Step 2: Convert to fraction form
    189,159.52/282,902.70 = 168,246.28/x
  3. Step 3: Cross multiply
    189,159.52x = 282,902.70 × 168,246.28
  4. Step 4: Simplify right side
    189,159.52x = 47,597,326,876.96
  5. Step 5: Solve for x
    x = 47,597,326,876.96/189,159.52
  6. Step 6: Final answer
    x = 251,625.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.