Home / 143,048.88-214,714.53-107,386.20

Finding the Fourth Proportional to 143,048.88, 214,714.53 and 107,386.20

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Solution

The fourth proportional to 143,048.88, 214,714.53 and 107,386.20 is: 161,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,048.88 : 214,714.53 = 107,386.20 : x
  2. Step 2: Convert to fraction form
    143,048.88/214,714.53 = 107,386.20/x
  3. Step 3: Cross multiply
    143,048.88x = 214,714.53 × 107,386.20
  4. Step 4: Simplify right side
    143,048.88x = 23,057,377,461.49
  5. Step 5: Solve for x
    x = 23,057,377,461.49/143,048.88
  6. Step 6: Final answer
    x = 161,185.31

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1.5x scale

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.