Home / 145,920.48-218,891.52-52,427.04

Finding the Fourth Proportional to 145,920.48, 218,891.52 and 52,427.04

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Solution

The fourth proportional to 145,920.48, 218,891.52 and 52,427.04 is: 78,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,920.48 : 218,891.52 = 52,427.04 : x
  2. Step 2: Convert to fraction form
    145,920.48/218,891.52 = 52,427.04/x
  3. Step 3: Cross multiply
    145,920.48x = 218,891.52 × 52,427.04
  4. Step 4: Simplify right side
    145,920.48x = 11,475,834,474.70
  5. Step 5: Solve for x
    x = 11,475,834,474.70/145,920.48
  6. Step 6: Final answer
    x = 78,644.44

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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.