Home / 135,330.72-202,858.56-56,487.84

Finding the Fourth Proportional to 135,330.72, 202,858.56 and 56,487.84

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Solution

The fourth proportional to 135,330.72, 202,858.56 and 56,487.84 is: 84,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,330.72 : 202,858.56 = 56,487.84 : x
  2. Step 2: Convert to fraction form
    135,330.72/202,858.56 = 56,487.84/x
  3. Step 3: Cross multiply
    135,330.72x = 202,858.56 × 56,487.84
  4. Step 4: Simplify right side
    135,330.72x = 11,459,041,879.91
  5. Step 5: Solve for x
    x = 11,459,041,879.91/135,330.72
  6. Step 6: Final answer
    x = 84,674.36

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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.