Home / 198,590.52-298,035.54-105,117.24

Finding the Fourth Proportional to 198,590.52, 298,035.54 and 105,117.24

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Solution

The fourth proportional to 198,590.52, 298,035.54 and 105,117.24 is: 157,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.52 : 298,035.54 = 105,117.24 : x
  2. Step 2: Convert to fraction form
    198,590.52/298,035.54 = 105,117.24/x
  3. Step 3: Cross multiply
    198,590.52x = 298,035.54 × 105,117.24
  4. Step 4: Simplify right side
    198,590.52x = 31,328,673,386.71
  5. Step 5: Solve for x
    x = 31,328,673,386.71/198,590.52
  6. Step 6: Final answer
    x = 157,755.13

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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.