Home / 79,146.84-118,720.32-26,556.18

Finding the Fourth Proportional to 79,146.84, 118,720.32 and 26,556.18

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Solution

The fourth proportional to 79,146.84, 118,720.32 and 26,556.18 is: 39,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146.84 : 118,720.32 = 26,556.18 : x
  2. Step 2: Convert to fraction form
    79,146.84/118,720.32 = 26,556.18/x
  3. Step 3: Cross multiply
    79,146.84x = 118,720.32 × 26,556.18
  4. Step 4: Simplify right side
    79,146.84x = 3,152,758,187.58
  5. Step 5: Solve for x
    x = 3,152,758,187.58/79,146.84
  6. Step 6: Final answer
    x = 39,834.29

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1.5x scale

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.