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Finding the Fourth Proportional to 162,392.74, 224,098.11 and 90,779.42

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Solution

The fourth proportional to 162,392.74, 224,098.11 and 90,779.42 is: 125,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,392.74 : 224,098.11 = 90,779.42 : x
  2. Step 2: Convert to fraction form
    162,392.74/224,098.11 = 90,779.42/x
  3. Step 3: Cross multiply
    162,392.74x = 224,098.11 × 90,779.42
  4. Step 4: Simplify right side
    162,392.74x = 20,343,496,448.90
  5. Step 5: Solve for x
    x = 20,343,496,448.90/162,392.74
  6. Step 6: Final answer
    x = 125,273.44

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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.