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Finding the Fourth Proportional to 150,020.34, 207,026.06 and 85,493.41

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Solution

The fourth proportional to 150,020.34, 207,026.06 and 85,493.41 is: 117,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,020.34 : 207,026.06 = 85,493.41 : x
  2. Step 2: Convert to fraction form
    150,020.34/207,026.06 = 85,493.41/x
  3. Step 3: Cross multiply
    150,020.34x = 207,026.06 × 85,493.41
  4. Step 4: Simplify right side
    150,020.34x = 17,699,363,828.26
  5. Step 5: Solve for x
    x = 17,699,363,828.26/150,020.34
  6. Step 6: Final answer
    x = 117,979.76

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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.