Home / 142,924.33-197,228.82-79,260.76

Finding the Fourth Proportional to 142,924.33, 197,228.82 and 79,260.76

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Solution

The fourth proportional to 142,924.33, 197,228.82 and 79,260.76 is: 109,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.33 : 197,228.82 = 79,260.76 : x
  2. Step 2: Convert to fraction form
    142,924.33/197,228.82 = 79,260.76/x
  3. Step 3: Cross multiply
    142,924.33x = 197,228.82 × 79,260.76
  4. Step 4: Simplify right side
    142,924.33x = 15,632,506,167.10
  5. Step 5: Solve for x
    x = 15,632,506,167.10/142,924.33
  6. Step 6: Final answer
    x = 109,376.10

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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.