Home / 111,840.53-154,289.73-75,530.18

Finding the Fourth Proportional to 111,840.53, 154,289.73 and 75,530.18

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Solution

The fourth proportional to 111,840.53, 154,289.73 and 75,530.18 is: 104,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.53 : 154,289.73 = 75,530.18 : x
  2. Step 2: Convert to fraction form
    111,840.53/154,289.73 = 75,530.18/x
  3. Step 3: Cross multiply
    111,840.53x = 154,289.73 × 75,530.18
  4. Step 4: Simplify right side
    111,840.53x = 11,653,530,307.60
  5. Step 5: Solve for x
    x = 11,653,530,307.60/111,840.53
  6. Step 6: Final answer
    x = 104,197.74

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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.