Home / 145,240.72-217,874.44-56,500.88

Finding the Fourth Proportional to 145,240.72, 217,874.44 and 56,500.88

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Solution

The fourth proportional to 145,240.72, 217,874.44 and 56,500.88 is: 84,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,240.72 : 217,874.44 = 56,500.88 : x
  2. Step 2: Convert to fraction form
    145,240.72/217,874.44 = 56,500.88/x
  3. Step 3: Cross multiply
    145,240.72x = 217,874.44 × 56,500.88
  4. Step 4: Simplify right side
    145,240.72x = 12,310,097,589.51
  5. Step 5: Solve for x
    x = 12,310,097,589.51/145,240.72
  6. Step 6: Final answer
    x = 84,756.52

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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.