Home / 134,728.72-185,942.93-112,028.67

Finding the Fourth Proportional to 134,728.72, 185,942.93 and 112,028.67

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Solution

The fourth proportional to 134,728.72, 185,942.93 and 112,028.67 is: 154,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,728.72 : 185,942.93 = 112,028.67 : x
  2. Step 2: Convert to fraction form
    134,728.72/185,942.93 = 112,028.67/x
  3. Step 3: Cross multiply
    134,728.72x = 185,942.93 × 112,028.67
  4. Step 4: Simplify right side
    134,728.72x = 20,830,938,583.66
  5. Step 5: Solve for x
    x = 20,830,938,583.66/134,728.72
  6. Step 6: Final answer
    x = 154,613.95

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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.