Home / 132,686.30-198,807.60-57,693.98

Finding the Fourth Proportional to 132,686.30, 198,807.60 and 57,693.98

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Solution

The fourth proportional to 132,686.30, 198,807.60 and 57,693.98 is: 86,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.30 : 198,807.60 = 57,693.98 : x
  2. Step 2: Convert to fraction form
    132,686.30/198,807.60 = 57,693.98/x
  3. Step 3: Cross multiply
    132,686.30x = 198,807.60 × 57,693.98
  4. Step 4: Simplify right side
    132,686.30x = 11,470,001,698.25
  5. Step 5: Solve for x
    x = 11,470,001,698.25/132,686.30
  6. Step 6: Final answer
    x = 86,444.51

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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.