Home / 158,815.64-238,208.70-53,635.52

Finding the Fourth Proportional to 158,815.64, 238,208.70 and 53,635.52

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Solution

The fourth proportional to 158,815.64, 238,208.70 and 53,635.52 is: 80,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,815.64 : 238,208.70 = 53,635.52 : x
  2. Step 2: Convert to fraction form
    158,815.64/238,208.70 = 53,635.52/x
  3. Step 3: Cross multiply
    158,815.64x = 238,208.70 × 53,635.52
  4. Step 4: Simplify right side
    158,815.64x = 12,776,447,493.02
  5. Step 5: Solve for x
    x = 12,776,447,493.02/158,815.64
  6. Step 6: Final answer
    x = 80,448.30

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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.