Home / 145,832.41-218,985.94-90,027.26

Finding the Fourth Proportional to 145,832.41, 218,985.94 and 90,027.26

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Solution

The fourth proportional to 145,832.41, 218,985.94 and 90,027.26 is: 135,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.41 : 218,985.94 = 90,027.26 : x
  2. Step 2: Convert to fraction form
    145,832.41/218,985.94 = 90,027.26/x
  3. Step 3: Cross multiply
    145,832.41x = 218,985.94 × 90,027.26
  4. Step 4: Simplify right side
    145,832.41x = 19,714,704,156.72
  5. Step 5: Solve for x
    x = 19,714,704,156.72/145,832.41
  6. Step 6: Final answer
    x = 135,187.40

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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.