Home / 118,717.89-163,830.09-65,001.93

Finding the Fourth Proportional to 118,717.89, 163,830.09 and 65,001.93

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Solution

The fourth proportional to 118,717.89, 163,830.09 and 65,001.93 is: 89,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,717.89 : 163,830.09 = 65,001.93 : x
  2. Step 2: Convert to fraction form
    118,717.89/163,830.09 = 65,001.93/x
  3. Step 3: Cross multiply
    118,717.89x = 163,830.09 × 65,001.93
  4. Step 4: Simplify right side
    118,717.89x = 10,649,272,042.07
  5. Step 5: Solve for x
    x = 10,649,272,042.07/118,717.89
  6. Step 6: Final answer
    x = 89,702.34

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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.