Home / 135,459.09-203,207.69-56,555.37

Finding the Fourth Proportional to 135,459.09, 203,207.69 and 56,555.37

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Solution

The fourth proportional to 135,459.09, 203,207.69 and 56,555.37 is: 84,841.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,459.09 : 203,207.69 = 56,555.37 : x
  2. Step 2: Convert to fraction form
    135,459.09/203,207.69 = 56,555.37/x
  3. Step 3: Cross multiply
    135,459.09x = 203,207.69 × 56,555.37
  4. Step 4: Simplify right side
    135,459.09x = 11,492,485,812.02
  5. Step 5: Solve for x
    x = 11,492,485,812.02/135,459.09
  6. Step 6: Final answer
    x = 84,841.01

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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.