Home / 131,736.61-197,636.35-42,990.27

Finding the Fourth Proportional to 131,736.61, 197,636.35 and 42,990.27

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Solution

The fourth proportional to 131,736.61, 197,636.35 and 42,990.27 is: 64,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.61 : 197,636.35 = 42,990.27 : x
  2. Step 2: Convert to fraction form
    131,736.61/197,636.35 = 42,990.27/x
  3. Step 3: Cross multiply
    131,736.61x = 197,636.35 × 42,990.27
  4. Step 4: Simplify right side
    131,736.61x = 8,496,439,833.36
  5. Step 5: Solve for x
    x = 8,496,439,833.36/131,736.61
  6. Step 6: Final answer
    x = 64,495.66

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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.