Home / 142,923.33-197,227.44-79,259.76

Finding the Fourth Proportional to 142,923.33, 197,227.44 and 79,259.76

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Solution

The fourth proportional to 142,923.33, 197,227.44 and 79,259.76 is: 109,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.33 : 197,227.44 = 79,259.76 : x
  2. Step 2: Convert to fraction form
    142,923.33/197,227.44 = 79,259.76/x
  3. Step 3: Cross multiply
    142,923.33x = 197,227.44 × 79,259.76
  4. Step 4: Simplify right side
    142,923.33x = 15,632,199,559.81
  5. Step 5: Solve for x
    x = 15,632,199,559.81/142,923.33
  6. Step 6: Final answer
    x = 109,374.72

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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.