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Finding the Fourth Proportional to 162,347.38, 224,040.22 and 90,728.60

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Solution

The fourth proportional to 162,347.38, 224,040.22 and 90,728.60 is: 125,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,347.38 : 224,040.22 = 90,728.60 : x
  2. Step 2: Convert to fraction form
    162,347.38/224,040.22 = 90,728.60/x
  3. Step 3: Cross multiply
    162,347.38x = 224,040.22 × 90,728.60
  4. Step 4: Simplify right side
    162,347.38x = 20,326,855,050.65
  5. Step 5: Solve for x
    x = 20,326,855,050.65/162,347.38
  6. Step 6: Final answer
    x = 125,205.93

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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.