Home / 142,883.73-197,139.65-112,574.97

Finding the Fourth Proportional to 142,883.73, 197,139.65 and 112,574.97

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Solution

The fourth proportional to 142,883.73, 197,139.65 and 112,574.97 is: 155,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,883.73 : 197,139.65 = 112,574.97 : x
  2. Step 2: Convert to fraction form
    142,883.73/197,139.65 = 112,574.97/x
  3. Step 3: Cross multiply
    142,883.73x = 197,139.65 × 112,574.97
  4. Step 4: Simplify right side
    142,883.73x = 22,192,989,621.69
  5. Step 5: Solve for x
    x = 22,192,989,621.69/142,883.73
  6. Step 6: Final answer
    x = 155,322.02

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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.