Home / 143,320.16-214,980.48-54,553.28

Finding the Fourth Proportional to 143,320.16, 214,980.48 and 54,553.28

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Solution

The fourth proportional to 143,320.16, 214,980.48 and 54,553.28 is: 81,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,320.16 : 214,980.48 = 54,553.28 : x
  2. Step 2: Convert to fraction form
    143,320.16/214,980.48 = 54,553.28/x
  3. Step 3: Cross multiply
    143,320.16x = 214,980.48 × 54,553.28
  4. Step 4: Simplify right side
    143,320.16x = 11,727,890,319.97
  5. Step 5: Solve for x
    x = 11,727,890,319.97/143,320.16
  6. Step 6: Final answer
    x = 81,830.01

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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.