Home / 145,405.44-218,018.82-56,555.37

Finding the Fourth Proportional to 145,405.44, 218,018.82 and 56,555.37

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Solution

The fourth proportional to 145,405.44, 218,018.82 and 56,555.37 is: 84,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,405.44 : 218,018.82 = 56,555.37 : x
  2. Step 2: Convert to fraction form
    145,405.44/218,018.82 = 56,555.37/x
  3. Step 3: Cross multiply
    145,405.44x = 218,018.82 × 56,555.37
  4. Step 4: Simplify right side
    145,405.44x = 12,330,135,032.06
  5. Step 5: Solve for x
    x = 12,330,135,032.06/145,405.44
  6. Step 6: Final answer
    x = 84,798.31

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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.