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Finding the Fourth Proportional to 162,855.61, 224,735.30 and 90,255.41

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Solution

The fourth proportional to 162,855.61, 224,735.30 and 90,255.41 is: 124,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,855.61 : 224,735.30 = 90,255.41 : x
  2. Step 2: Convert to fraction form
    162,855.61/224,735.30 = 90,255.41/x
  3. Step 3: Cross multiply
    162,855.61x = 224,735.30 × 90,255.41
  4. Step 4: Simplify right side
    162,855.61x = 20,283,576,587.69
  5. Step 5: Solve for x
    x = 20,283,576,587.69/162,855.61
  6. Step 6: Final answer
    x = 124,549.45

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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.