Home / 143,259.47-214,815.37-64,306.02

Finding the Fourth Proportional to 143,259.47, 214,815.37 and 64,306.02

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Solution

The fourth proportional to 143,259.47, 214,815.37 and 64,306.02 is: 96,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.47 : 214,815.37 = 64,306.02 : x
  2. Step 2: Convert to fraction form
    143,259.47/214,815.37 = 64,306.02/x
  3. Step 3: Cross multiply
    143,259.47x = 214,815.37 × 64,306.02
  4. Step 4: Simplify right side
    143,259.47x = 13,813,921,479.53
  5. Step 5: Solve for x
    x = 13,813,921,479.53/143,259.47
  6. Step 6: Final answer
    x = 96,425.89

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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.