Home / 143,620.14-215,444.95-54,948.23

Finding the Fourth Proportional to 143,620.14, 215,444.95 and 54,948.23

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Solution

The fourth proportional to 143,620.14, 215,444.95 and 54,948.23 is: 82,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,620.14 : 215,444.95 = 54,948.23 : x
  2. Step 2: Convert to fraction form
    143,620.14/215,444.95 = 54,948.23/x
  3. Step 3: Cross multiply
    143,620.14x = 215,444.95 × 54,948.23
  4. Step 4: Simplify right side
    143,620.14x = 11,838,318,664.94
  5. Step 5: Solve for x
    x = 11,838,318,664.94/143,620.14
  6. Step 6: Final answer
    x = 82,427.98

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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.