Home / 142,954.75-197,148.40-89,244.73

Finding the Fourth Proportional to 142,954.75, 197,148.40 and 89,244.73

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Solution

The fourth proportional to 142,954.75, 197,148.40 and 89,244.73 is: 123,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954.75 : 197,148.40 = 89,244.73 : x
  2. Step 2: Convert to fraction form
    142,954.75/197,148.40 = 89,244.73/x
  3. Step 3: Cross multiply
    142,954.75x = 197,148.40 × 89,244.73
  4. Step 4: Simplify right side
    142,954.75x = 17,594,455,727.93
  5. Step 5: Solve for x
    x = 17,594,455,727.93/142,954.75
  6. Step 6: Final answer
    x = 123,077.10

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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.