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Finding the Fourth Proportional to 162,503.65, 224,266.40 and 90,890.29

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Solution

The fourth proportional to 162,503.65, 224,266.40 and 90,890.29 is: 125,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,503.65 : 224,266.40 = 90,890.29 : x
  2. Step 2: Convert to fraction form
    162,503.65/224,266.40 = 90,890.29/x
  3. Step 3: Cross multiply
    162,503.65x = 224,266.40 × 90,890.29
  4. Step 4: Simplify right side
    162,503.65x = 20,383,638,133.26
  5. Step 5: Solve for x
    x = 20,383,638,133.26/162,503.65
  6. Step 6: Final answer
    x = 125,434.96

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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.