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Finding the Fourth Proportional to 142,980.75, 214,471.13 and 37,799.73

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Solution

The fourth proportional to 142,980.75, 214,471.13 and 37,799.73 is: 56,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980.75 : 214,471.13 = 37,799.73 : x
  2. Step 2: Convert to fraction form
    142,980.75/214,471.13 = 37,799.73/x
  3. Step 3: Cross multiply
    142,980.75x = 214,471.13 × 37,799.73
  4. Step 4: Simplify right side
    142,980.75x = 8,106,950,617.80
  5. Step 5: Solve for x
    x = 8,106,950,617.80/142,980.75
  6. Step 6: Final answer
    x = 56,699.60

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1.5x scale

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.