Home / 191,964.57-287,722.65-144,426.96

Finding the Fourth Proportional to 191,964.57, 287,722.65 and 144,426.96

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Solution

The fourth proportional to 191,964.57, 287,722.65 and 144,426.96 is: 216,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964.57 : 287,722.65 = 144,426.96 : x
  2. Step 2: Convert to fraction form
    191,964.57/287,722.65 = 144,426.96/x
  3. Step 3: Cross multiply
    191,964.57x = 287,722.65 × 144,426.96
  4. Step 4: Simplify right side
    191,964.57x = 41,554,907,662.64
  5. Step 5: Solve for x
    x = 41,554,907,662.64/191,964.57
  6. Step 6: Final answer
    x = 216,471.76

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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.