Home / 143,052.58-197,403.37-89,334.39

Finding the Fourth Proportional to 143,052.58, 197,403.37 and 89,334.39

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Solution

The fourth proportional to 143,052.58, 197,403.37 and 89,334.39 is: 123,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.58 : 197,403.37 = 89,334.39 : x
  2. Step 2: Convert to fraction form
    143,052.58/197,403.37 = 89,334.39/x
  3. Step 3: Cross multiply
    143,052.58x = 197,403.37 × 89,334.39
  4. Step 4: Simplify right side
    143,052.58x = 17,634,909,642.89
  5. Step 5: Solve for x
    x = 17,634,909,642.89/143,052.58
  6. Step 6: Final answer
    x = 123,275.72

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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.