Home / 119,907.46-165,471.41-66,192.50

Finding the Fourth Proportional to 119,907.46, 165,471.41 and 66,192.50

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Solution

The fourth proportional to 119,907.46, 165,471.41 and 66,192.50 is: 91,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,907.46 : 165,471.41 = 66,192.50 : x
  2. Step 2: Convert to fraction form
    119,907.46/165,471.41 = 66,192.50/x
  3. Step 3: Cross multiply
    119,907.46x = 165,471.41 × 66,192.50
  4. Step 4: Simplify right side
    119,907.46x = 10,952,966,306.43
  5. Step 5: Solve for x
    x = 10,952,966,306.43/119,907.46
  6. Step 6: Final answer
    x = 91,345.16

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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.