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Finding the Fourth Proportional to 164,513.34, 246,868.33 and 151,128.90

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Solution

The fourth proportional to 164,513.34, 246,868.33 and 151,128.90 is: 226,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513.34 : 246,868.33 = 151,128.90 : x
  2. Step 2: Convert to fraction form
    164,513.34/246,868.33 = 151,128.90/x
  3. Step 3: Cross multiply
    164,513.34x = 246,868.33 × 151,128.90
  4. Step 4: Simplify right side
    164,513.34x = 37,308,939,157.74
  5. Step 5: Solve for x
    x = 37,308,939,157.74/164,513.34
  6. Step 6: Final answer
    x = 226,783.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.