Home / 134,984.54-186,211.20-80,498.27

Finding the Fourth Proportional to 134,984.54, 186,211.20 and 80,498.27

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Solution

The fourth proportional to 134,984.54, 186,211.20 and 80,498.27 is: 111,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,984.54 : 186,211.20 = 80,498.27 : x
  2. Step 2: Convert to fraction form
    134,984.54/186,211.20 = 80,498.27/x
  3. Step 3: Cross multiply
    134,984.54x = 186,211.20 × 80,498.27
  4. Step 4: Simplify right side
    134,984.54x = 14,989,680,222.02
  5. Step 5: Solve for x
    x = 14,989,680,222.02/134,984.54
  6. Step 6: Final answer
    x = 111,047.38

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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.