Home / 145,249.35-217,790.19-56,399.04

Finding the Fourth Proportional to 145,249.35, 217,790.19 and 56,399.04

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Solution

The fourth proportional to 145,249.35, 217,790.19 and 56,399.04 is: 84,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,249.35 : 217,790.19 = 56,399.04 : x
  2. Step 2: Convert to fraction form
    145,249.35/217,790.19 = 56,399.04/x
  3. Step 3: Cross multiply
    145,249.35x = 217,790.19 × 56,399.04
  4. Step 4: Simplify right side
    145,249.35x = 12,283,157,637.42
  5. Step 5: Solve for x
    x = 12,283,157,637.42/145,249.35
  6. Step 6: Final answer
    x = 84,566.01

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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.