Home / 191,975.54-287,739.07-144,437.88

Finding the Fourth Proportional to 191,975.54, 287,739.07 and 144,437.88

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Solution

The fourth proportional to 191,975.54, 287,739.07 and 144,437.88 is: 216,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,975.54 : 287,739.07 = 144,437.88 : x
  2. Step 2: Convert to fraction form
    191,975.54/287,739.07 = 144,437.88/x
  3. Step 3: Cross multiply
    191,975.54x = 287,739.07 × 144,437.88
  4. Step 4: Simplify right side
    191,975.54x = 41,560,420,902.88
  5. Step 5: Solve for x
    x = 41,560,420,902.88/191,975.54
  6. Step 6: Final answer
    x = 216,488.10

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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.