Home / 281,367.02-422,094.63-91,783.62

Finding the Fourth Proportional to 281,367.02, 422,094.63 and 91,783.62

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Solution

The fourth proportional to 281,367.02, 422,094.63 and 91,783.62 is: 137,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,367.02 : 422,094.63 = 91,783.62 : x
  2. Step 2: Convert to fraction form
    281,367.02/422,094.63 = 91,783.62/x
  3. Step 3: Cross multiply
    281,367.02x = 422,094.63 × 91,783.62
  4. Step 4: Simplify right side
    281,367.02x = 38,741,373,123.96
  5. Step 5: Solve for x
    x = 38,741,373,123.96/281,367.02
  6. Step 6: Final answer
    x = 137,689.82

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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.