Home / 143,172.02-197,676.24-89,481.18

Finding the Fourth Proportional to 143,172.02, 197,676.24 and 89,481.18

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Solution

The fourth proportional to 143,172.02, 197,676.24 and 89,481.18 is: 123,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,172.02 : 197,676.24 = 89,481.18 : x
  2. Step 2: Convert to fraction form
    143,172.02/197,676.24 = 89,481.18/x
  3. Step 3: Cross multiply
    143,172.02x = 197,676.24 × 89,481.18
  4. Step 4: Simplify right side
    143,172.02x = 17,688,303,213.16
  5. Step 5: Solve for x
    x = 17,688,303,213.16/143,172.02
  6. Step 6: Final answer
    x = 123,545.81

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1.5x scale

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.