Home / 132,386.81-198,468.61-57,450.51

Finding the Fourth Proportional to 132,386.81, 198,468.61 and 57,450.51

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Solution

The fourth proportional to 132,386.81, 198,468.61 and 57,450.51 is: 86,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,386.81 : 198,468.61 = 57,450.51 : x
  2. Step 2: Convert to fraction form
    132,386.81/198,468.61 = 57,450.51/x
  3. Step 3: Cross multiply
    132,386.81x = 198,468.61 × 57,450.51
  4. Step 4: Simplify right side
    132,386.81x = 11,402,122,455.46
  5. Step 5: Solve for x
    x = 11,402,122,455.46/132,386.81
  6. Step 6: Final answer
    x = 86,127.33

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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.