Home / 91,433.60-137,150.40-44,777.60

Finding the Fourth Proportional to 91,433.60, 137,150.40 and 44,777.60

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Solution

The fourth proportional to 91,433.60, 137,150.40 and 44,777.60 is: 67,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.60 : 137,150.40 = 44,777.60 : x
  2. Step 2: Convert to fraction form
    91,433.60/137,150.40 = 44,777.60/x
  3. Step 3: Cross multiply
    91,433.60x = 137,150.40 × 44,777.60
  4. Step 4: Simplify right side
    91,433.60x = 6,141,265,751.04
  5. Step 5: Solve for x
    x = 6,141,265,751.04/91,433.60
  6. Step 6: Final answer
    x = 67,166.40

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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.