Home / 187,285.08-280,927.62-82,127.64

Finding the Fourth Proportional to 187,285.08, 280,927.62 and 82,127.64

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Solution

The fourth proportional to 187,285.08, 280,927.62 and 82,127.64 is: 123,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,285.08 : 280,927.62 = 82,127.64 : x
  2. Step 2: Convert to fraction form
    187,285.08/280,927.62 = 82,127.64/x
  3. Step 3: Cross multiply
    187,285.08x = 280,927.62 × 82,127.64
  4. Step 4: Simplify right side
    187,285.08x = 23,071,922,441.42
  5. Step 5: Solve for x
    x = 23,071,922,441.42/187,285.08
  6. Step 6: Final answer
    x = 123,191.46

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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.