Home / 142,924.56-197,230.93-79,268.28

Finding the Fourth Proportional to 142,924.56, 197,230.93 and 79,268.28

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Solution

The fourth proportional to 142,924.56, 197,230.93 and 79,268.28 is: 109,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.56 : 197,230.93 = 79,268.28 : x
  2. Step 2: Convert to fraction form
    142,924.56/197,230.93 = 79,268.28/x
  3. Step 3: Cross multiply
    142,924.56x = 197,230.93 × 79,268.28
  4. Step 4: Simplify right side
    142,924.56x = 15,634,155,201.40
  5. Step 5: Solve for x
    x = 15,634,155,201.40/142,924.56
  6. Step 6: Final answer
    x = 109,387.47

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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.