Home / 84,169.29-116,307.60-80,069.07

Finding the Fourth Proportional to 84,169.29, 116,307.60 and 80,069.07

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Solution

The fourth proportional to 84,169.29, 116,307.60 and 80,069.07 is: 110,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.29 : 116,307.60 = 80,069.07 : x
  2. Step 2: Convert to fraction form
    84,169.29/116,307.60 = 80,069.07/x
  3. Step 3: Cross multiply
    84,169.29x = 116,307.60 × 80,069.07
  4. Step 4: Simplify right side
    84,169.29x = 9,312,641,365.93
  5. Step 5: Solve for x
    x = 9,312,641,365.93/84,169.29
  6. Step 6: Final answer
    x = 110,641.80

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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.