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Finding the Fourth Proportional to 162,371.72, 224,065.91 and 88,782.80

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Solution

The fourth proportional to 162,371.72, 224,065.91 and 88,782.80 is: 122,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,371.72 : 224,065.91 = 88,782.80 : x
  2. Step 2: Convert to fraction form
    162,371.72/224,065.91 = 88,782.80/x
  3. Step 3: Cross multiply
    162,371.72x = 224,065.91 × 88,782.80
  4. Step 4: Simplify right side
    162,371.72x = 19,893,197,975.98
  5. Step 5: Solve for x
    x = 19,893,197,975.98/162,371.72
  6. Step 6: Final answer
    x = 122,516.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.