Home / 187,258.56-280,888.38-54,149.64

Finding the Fourth Proportional to 187,258.56, 280,888.38 and 54,149.64

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Solution

The fourth proportional to 187,258.56, 280,888.38 and 54,149.64 is: 81,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,258.56 : 280,888.38 = 54,149.64 : x
  2. Step 2: Convert to fraction form
    187,258.56/280,888.38 = 54,149.64/x
  3. Step 3: Cross multiply
    187,258.56x = 280,888.38 × 54,149.64
  4. Step 4: Simplify right side
    187,258.56x = 15,210,004,657.18
  5. Step 5: Solve for x
    x = 15,210,004,657.18/187,258.56
  6. Step 6: Final answer
    x = 81,224.62

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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.