Home / 79,250.08-118,166.60-77,072.80

Finding the Fourth Proportional to 79,250.08, 118,166.60 and 77,072.80

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Solution

The fourth proportional to 79,250.08, 118,166.60 and 77,072.80 is: 114,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.08 : 118,166.60 = 77,072.80 : x
  2. Step 2: Convert to fraction form
    79,250.08/118,166.60 = 77,072.80/x
  3. Step 3: Cross multiply
    79,250.08x = 118,166.60 × 77,072.80
  4. Step 4: Simplify right side
    79,250.08x = 9,107,430,728.48
  5. Step 5: Solve for x
    x = 9,107,430,728.48/79,250.08
  6. Step 6: Final answer
    x = 114,920.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.