Home / 143,022.52-197,407.36-97,718.82

Finding the Fourth Proportional to 143,022.52, 197,407.36 and 97,718.82

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Solution

The fourth proportional to 143,022.52, 197,407.36 and 97,718.82 is: 134,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,022.52 : 197,407.36 = 97,718.82 : x
  2. Step 2: Convert to fraction form
    143,022.52/197,407.36 = 97,718.82/x
  3. Step 3: Cross multiply
    143,022.52x = 197,407.36 × 97,718.82
  4. Step 4: Simplify right side
    143,022.52x = 19,290,414,278.52
  5. Step 5: Solve for x
    x = 19,290,414,278.52/143,022.52
  6. Step 6: Final answer
    x = 134,876.76

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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.