Home / 145,249.85-217,790.94-56,399.53

Finding the Fourth Proportional to 145,249.85, 217,790.94 and 56,399.53

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Solution

The fourth proportional to 145,249.85, 217,790.94 and 56,399.53 is: 84,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,249.85 : 217,790.94 = 56,399.53 : x
  2. Step 2: Convert to fraction form
    145,249.85/217,790.94 = 56,399.53/x
  3. Step 3: Cross multiply
    145,249.85x = 217,790.94 × 56,399.53
  4. Step 4: Simplify right side
    145,249.85x = 12,283,306,654.26
  5. Step 5: Solve for x
    x = 12,283,306,654.26/145,249.85
  6. Step 6: Final answer
    x = 84,566.74

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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.