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Finding the Fourth Proportional to 158,671.70, 237,858.19 and 53,417.14

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Solution

The fourth proportional to 158,671.70, 237,858.19 and 53,417.14 is: 80,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,671.70 : 237,858.19 = 53,417.14 : x
  2. Step 2: Convert to fraction form
    158,671.70/237,858.19 = 53,417.14/x
  3. Step 3: Cross multiply
    158,671.70x = 237,858.19 × 53,417.14
  4. Step 4: Simplify right side
    158,671.70x = 12,705,704,235.38
  5. Step 5: Solve for x
    x = 12,705,704,235.38/158,671.70
  6. Step 6: Final answer
    x = 80,075.43

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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.