Home / 198,607.28-274,011.33-112,559.51

Finding the Fourth Proportional to 198,607.28, 274,011.33 and 112,559.51

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Solution

The fourth proportional to 198,607.28, 274,011.33 and 112,559.51 is: 155,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,607.28 : 274,011.33 = 112,559.51 : x
  2. Step 2: Convert to fraction form
    198,607.28/274,011.33 = 112,559.51/x
  3. Step 3: Cross multiply
    198,607.28x = 274,011.33 × 112,559.51
  4. Step 4: Simplify right side
    198,607.28x = 30,842,579,669.19
  5. Step 5: Solve for x
    x = 30,842,579,669.19/198,607.28
  6. Step 6: Final answer
    x = 155,294.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.