Home / 225,183.72-310,705.02-143,543.16

Finding the Fourth Proportional to 225,183.72, 310,705.02 and 143,543.16

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Solution

The fourth proportional to 225,183.72, 310,705.02 and 143,543.16 is: 198,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,183.72 : 310,705.02 = 143,543.16 : x
  2. Step 2: Convert to fraction form
    225,183.72/310,705.02 = 143,543.16/x
  3. Step 3: Cross multiply
    225,183.72x = 310,705.02 × 143,543.16
  4. Step 4: Simplify right side
    225,183.72x = 44,599,580,398.66
  5. Step 5: Solve for x
    x = 44,599,580,398.66/225,183.72
  6. Step 6: Final answer
    x = 198,058.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.