Home / 91,636.80-137,455.20-60,246.60

Finding the Fourth Proportional to 91,636.80, 137,455.20 and 60,246.60

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Solution

The fourth proportional to 91,636.80, 137,455.20 and 60,246.60 is: 90,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,636.80 : 137,455.20 = 60,246.60 : x
  2. Step 2: Convert to fraction form
    91,636.80/137,455.20 = 60,246.60/x
  3. Step 3: Cross multiply
    91,636.80x = 137,455.20 × 60,246.60
  4. Step 4: Simplify right side
    91,636.80x = 8,281,208,452.32
  5. Step 5: Solve for x
    x = 8,281,208,452.32/91,636.80
  6. Step 6: Final answer
    x = 90,369.90

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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.