Home / 198,590.31-274,056.27-107,946.26

Finding the Fourth Proportional to 198,590.31, 274,056.27 and 107,946.26

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Solution

The fourth proportional to 198,590.31, 274,056.27 and 107,946.26 is: 148,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.31 : 274,056.27 = 107,946.26 : x
  2. Step 2: Convert to fraction form
    198,590.31/274,056.27 = 107,946.26/x
  3. Step 3: Cross multiply
    198,590.31x = 274,056.27 × 107,946.26
  4. Step 4: Simplify right side
    198,590.31x = 29,583,349,002.29
  5. Step 5: Solve for x
    x = 29,583,349,002.29/198,590.31
  6. Step 6: Final answer
    x = 148,966.73

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1.5x scale

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.