Home / 132,365.21-198,521.28-64,868.31

Finding the Fourth Proportional to 132,365.21, 198,521.28 and 64,868.31

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Solution

The fourth proportional to 132,365.21, 198,521.28 and 64,868.31 is: 97,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,365.21 : 198,521.28 = 64,868.31 : x
  2. Step 2: Convert to fraction form
    132,365.21/198,521.28 = 64,868.31/x
  3. Step 3: Cross multiply
    132,365.21x = 198,521.28 × 64,868.31
  4. Step 4: Simplify right side
    132,365.21x = 12,877,739,932.64
  5. Step 5: Solve for x
    x = 12,877,739,932.64/132,365.21
  6. Step 6: Final answer
    x = 97,289.46

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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.