Home / 142,934.64-197,246.79-79,271.07

Finding the Fourth Proportional to 142,934.64, 197,246.79 and 79,271.07

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Solution

The fourth proportional to 142,934.64, 197,246.79 and 79,271.07 is: 109,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,934.64 : 197,246.79 = 79,271.07 : x
  2. Step 2: Convert to fraction form
    142,934.64/197,246.79 = 79,271.07/x
  3. Step 3: Cross multiply
    142,934.64x = 197,246.79 × 79,271.07
  4. Step 4: Simplify right side
    142,934.64x = 15,635,964,097.37
  5. Step 5: Solve for x
    x = 15,635,964,097.37/142,934.64
  6. Step 6: Final answer
    x = 109,392.41

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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.