Home / 79,220.60-118,216.68-70,807.94

Finding the Fourth Proportional to 79,220.60, 118,216.68 and 70,807.94

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Solution

The fourth proportional to 79,220.60, 118,216.68 and 70,807.94 is: 105,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,220.60 : 118,216.68 = 70,807.94 : x
  2. Step 2: Convert to fraction form
    79,220.60/118,216.68 = 70,807.94/x
  3. Step 3: Cross multiply
    79,220.60x = 118,216.68 × 70,807.94
  4. Step 4: Simplify right side
    79,220.60x = 8,370,679,584.44
  5. Step 5: Solve for x
    x = 8,370,679,584.44/79,220.60
  6. Step 6: Final answer
    x = 105,662.92

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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.