Home / 143,263.74-197,705.14-89,579.88

Finding the Fourth Proportional to 143,263.74, 197,705.14 and 89,579.88

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Solution

The fourth proportional to 143,263.74, 197,705.14 and 89,579.88 is: 123,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.74 : 197,705.14 = 89,579.88 : x
  2. Step 2: Convert to fraction form
    143,263.74/197,705.14 = 89,579.88/x
  3. Step 3: Cross multiply
    143,263.74x = 197,705.14 × 89,579.88
  4. Step 4: Simplify right side
    143,263.74x = 17,710,402,716.58
  5. Step 5: Solve for x
    x = 17,710,402,716.58/143,263.74
  6. Step 6: Final answer
    x = 123,620.97

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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.