Home / 132,208.02-198,315.66-38,713.77

Finding the Fourth Proportional to 132,208.02, 198,315.66 and 38,713.77

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Solution

The fourth proportional to 132,208.02, 198,315.66 and 38,713.77 is: 58,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,208.02 : 198,315.66 = 38,713.77 : x
  2. Step 2: Convert to fraction form
    132,208.02/198,315.66 = 38,713.77/x
  3. Step 3: Cross multiply
    132,208.02x = 198,315.66 × 38,713.77
  4. Step 4: Simplify right side
    132,208.02x = 7,677,546,848.64
  5. Step 5: Solve for x
    x = 7,677,546,848.64/132,208.02
  6. Step 6: Final answer
    x = 58,071.72

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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.