Home / 189,847.42-284,683.48-69,874.23

Finding the Fourth Proportional to 189,847.42, 284,683.48 and 69,874.23

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Solution

The fourth proportional to 189,847.42, 284,683.48 and 69,874.23 is: 104,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,847.42 : 284,683.48 = 69,874.23 : x
  2. Step 2: Convert to fraction form
    189,847.42/284,683.48 = 69,874.23/x
  3. Step 3: Cross multiply
    189,847.42x = 284,683.48 × 69,874.23
  4. Step 4: Simplify right side
    189,847.42x = 19,892,039,851.60
  5. Step 5: Solve for x
    x = 19,892,039,851.60/189,847.42
  6. Step 6: Final answer
    x = 104,779.09

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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.