Home / 91,157.24-125,803.31-50,878.86

Finding the Fourth Proportional to 91,157.24, 125,803.31 and 50,878.86

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Solution

The fourth proportional to 91,157.24, 125,803.31 and 50,878.86 is: 70,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,157.24 : 125,803.31 = 50,878.86 : x
  2. Step 2: Convert to fraction form
    91,157.24/125,803.31 = 50,878.86/x
  3. Step 3: Cross multiply
    91,157.24x = 125,803.31 × 50,878.86
  4. Step 4: Simplify right side
    91,157.24x = 6,400,728,368.01
  5. Step 5: Solve for x
    x = 6,400,728,368.01/91,157.24
  6. Step 6: Final answer
    x = 70,216.35

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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.