Home / 131,732.58-197,598-42,986.16

Finding the Fourth Proportional to 131,732.58, 197,598 and 42,986.16

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Solution

The fourth proportional to 131,732.58, 197,598 and 42,986.16 is: 64,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.58 : 197,598 = 42,986.16 : x
  2. Step 2: Convert to fraction form
    131,732.58/197,598 = 42,986.16/x
  3. Step 3: Cross multiply
    131,732.58x = 197,598 × 42,986.16
  4. Step 4: Simplify right side
    131,732.58x = 8,493,979,243.68
  5. Step 5: Solve for x
    x = 8,493,979,243.68/131,732.58
  6. Step 6: Final answer
    x = 64,478.96

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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.