Home / 131,987.95-197,933.63-47,727.90

Finding the Fourth Proportional to 131,987.95, 197,933.63 and 47,727.90

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Solution

The fourth proportional to 131,987.95, 197,933.63 and 47,727.90 is: 71,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,987.95 : 197,933.63 = 47,727.90 : x
  2. Step 2: Convert to fraction form
    131,987.95/197,933.63 = 47,727.90/x
  3. Step 3: Cross multiply
    131,987.95x = 197,933.63 × 47,727.90
  4. Step 4: Simplify right side
    131,987.95x = 9,446,956,260.64
  5. Step 5: Solve for x
    x = 9,446,956,260.64/131,987.95
  6. Step 6: Final answer
    x = 71,574.39

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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.