Home / 142,473.39-197,512.40-134,889.36

Finding the Fourth Proportional to 142,473.39, 197,512.40 and 134,889.36

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Solution

The fourth proportional to 142,473.39, 197,512.40 and 134,889.36 is: 186,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,473.39 : 197,512.40 = 134,889.36 : x
  2. Step 2: Convert to fraction form
    142,473.39/197,512.40 = 134,889.36/x
  3. Step 3: Cross multiply
    142,473.39x = 197,512.40 × 134,889.36
  4. Step 4: Simplify right side
    142,473.39x = 26,642,321,228.06
  5. Step 5: Solve for x
    x = 26,642,321,228.06/142,473.39
  6. Step 6: Final answer
    x = 186,998.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.