Home / 145,137.11-217,788.57-56,379.06

Finding the Fourth Proportional to 145,137.11, 217,788.57 and 56,379.06

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Solution

The fourth proportional to 145,137.11, 217,788.57 and 56,379.06 is: 84,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,137.11 : 217,788.57 = 56,379.06 : x
  2. Step 2: Convert to fraction form
    145,137.11/217,788.57 = 56,379.06/x
  3. Step 3: Cross multiply
    145,137.11x = 217,788.57 × 56,379.06
  4. Step 4: Simplify right side
    145,137.11x = 12,278,714,855.34
  5. Step 5: Solve for x
    x = 12,278,714,855.34/145,137.11
  6. Step 6: Final answer
    x = 84,600.80

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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.