Home / 187,279.16-280,926.93-54,172.87

Finding the Fourth Proportional to 187,279.16, 280,926.93 and 54,172.87

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Solution

The fourth proportional to 187,279.16, 280,926.93 and 54,172.87 is: 81,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,279.16 : 280,926.93 = 54,172.87 : x
  2. Step 2: Convert to fraction form
    187,279.16/280,926.93 = 54,172.87/x
  3. Step 3: Cross multiply
    187,279.16x = 280,926.93 × 54,172.87
  4. Step 4: Simplify right side
    187,279.16x = 15,218,617,559.22
  5. Step 5: Solve for x
    x = 15,218,617,559.22/187,279.16
  6. Step 6: Final answer
    x = 81,261.67

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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.