Home / 116,512.90-160,702.59-76,161.94

Finding the Fourth Proportional to 116,512.90, 160,702.59 and 76,161.94

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Solution

The fourth proportional to 116,512.90, 160,702.59 and 76,161.94 is: 105,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,512.90 : 160,702.59 = 76,161.94 : x
  2. Step 2: Convert to fraction form
    116,512.90/160,702.59 = 76,161.94/x
  3. Step 3: Cross multiply
    116,512.90x = 160,702.59 × 76,161.94
  4. Step 4: Simplify right side
    116,512.90x = 12,239,421,017.42
  5. Step 5: Solve for x
    x = 12,239,421,017.42/116,512.90
  6. Step 6: Final answer
    x = 105,047.78

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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.