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Finding the Fourth Proportional to 162,886.26, 224,782.88 and 91,266.80

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Solution

The fourth proportional to 162,886.26, 224,782.88 and 91,266.80 is: 125,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,886.26 : 224,782.88 = 91,266.80 : x
  2. Step 2: Convert to fraction form
    162,886.26/224,782.88 = 91,266.80/x
  3. Step 3: Cross multiply
    162,886.26x = 224,782.88 × 91,266.80
  4. Step 4: Simplify right side
    162,886.26x = 20,515,214,152.38
  5. Step 5: Solve for x
    x = 20,515,214,152.38/162,886.26
  6. Step 6: Final answer
    x = 125,948.10

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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.