Home / 105,346.56-158,019.84-42,195.36

Finding the Fourth Proportional to 105,346.56, 158,019.84 and 42,195.36

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Solution

The fourth proportional to 105,346.56, 158,019.84 and 42,195.36 is: 63,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346.56 : 158,019.84 = 42,195.36 : x
  2. Step 2: Convert to fraction form
    105,346.56/158,019.84 = 42,195.36/x
  3. Step 3: Cross multiply
    105,346.56x = 158,019.84 × 42,195.36
  4. Step 4: Simplify right side
    105,346.56x = 6,667,704,035.94
  5. Step 5: Solve for x
    x = 6,667,704,035.94/105,346.56
  6. Step 6: Final answer
    x = 63,293.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.