Home / 143,086.08-214,464-105,081.60

Finding the Fourth Proportional to 143,086.08, 214,464 and 105,081.60

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Solution

The fourth proportional to 143,086.08, 214,464 and 105,081.60 is: 157,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,086.08 : 214,464 = 105,081.60 : x
  2. Step 2: Convert to fraction form
    143,086.08/214,464 = 105,081.60/x
  3. Step 3: Cross multiply
    143,086.08x = 214,464 × 105,081.60
  4. Step 4: Simplify right side
    143,086.08x = 22,536,220,262.40
  5. Step 5: Solve for x
    x = 22,536,220,262.40/143,086.08
  6. Step 6: Final answer
    x = 157,501.14

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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.