Home / 90,778.04-125,185.74-60,564.60

Finding the Fourth Proportional to 90,778.04, 125,185.74 and 60,564.60

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Solution

The fourth proportional to 90,778.04, 125,185.74 and 60,564.60 is: 83,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,778.04 : 125,185.74 = 60,564.60 : x
  2. Step 2: Convert to fraction form
    90,778.04/125,185.74 = 60,564.60/x
  3. Step 3: Cross multiply
    90,778.04x = 125,185.74 × 60,564.60
  4. Step 4: Simplify right side
    90,778.04x = 7,581,824,268.80
  5. Step 5: Solve for x
    x = 7,581,824,268.80/90,778.04
  6. Step 6: Final answer
    x = 83,520.47

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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.