Home / 143,092.08-197,457.75-89,373.96

Finding the Fourth Proportional to 143,092.08, 197,457.75 and 89,373.96

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Solution

The fourth proportional to 143,092.08, 197,457.75 and 89,373.96 is: 123,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,092.08 : 197,457.75 = 89,373.96 : x
  2. Step 2: Convert to fraction form
    143,092.08/197,457.75 = 89,373.96/x
  3. Step 3: Cross multiply
    143,092.08x = 197,457.75 × 89,373.96
  4. Step 4: Simplify right side
    143,092.08x = 17,647,581,050.19
  5. Step 5: Solve for x
    x = 17,647,581,050.19/143,092.08
  6. Step 6: Final answer
    x = 123,330.24

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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.