Home / 143,255.72-214,809.75-64,302.27

Finding the Fourth Proportional to 143,255.72, 214,809.75 and 64,302.27

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Solution

The fourth proportional to 143,255.72, 214,809.75 and 64,302.27 is: 96,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,255.72 : 214,809.75 = 64,302.27 : x
  2. Step 2: Convert to fraction form
    143,255.72/214,809.75 = 64,302.27/x
  3. Step 3: Cross multiply
    143,255.72x = 214,809.75 × 64,302.27
  4. Step 4: Simplify right side
    143,255.72x = 13,812,754,543.13
  5. Step 5: Solve for x
    x = 13,812,754,543.13/143,255.72
  6. Step 6: Final answer
    x = 96,420.27

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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.