Home / 158,754.12-238,172.69-92,130.21

Finding the Fourth Proportional to 158,754.12, 238,172.69 and 92,130.21

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Solution

The fourth proportional to 158,754.12, 238,172.69 and 92,130.21 is: 138,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,754.12 : 238,172.69 = 92,130.21 : x
  2. Step 2: Convert to fraction form
    158,754.12/238,172.69 = 92,130.21/x
  3. Step 3: Cross multiply
    158,754.12x = 238,172.69 × 92,130.21
  4. Step 4: Simplify right side
    158,754.12x = 21,942,899,945.96
  5. Step 5: Solve for x
    x = 21,942,899,945.96/158,754.12
  6. Step 6: Final answer
    x = 138,219.40

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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.