Home / 145,742.63-218,677.48-51,040.75

Finding the Fourth Proportional to 145,742.63, 218,677.48 and 51,040.75

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Solution

The fourth proportional to 145,742.63, 218,677.48 and 51,040.75 is: 76,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,742.63 : 218,677.48 = 51,040.75 : x
  2. Step 2: Convert to fraction form
    145,742.63/218,677.48 = 51,040.75/x
  3. Step 3: Cross multiply
    145,742.63x = 218,677.48 × 51,040.75
  4. Step 4: Simplify right side
    145,742.63x = 11,161,462,587.31
  5. Step 5: Solve for x
    x = 11,161,462,587.31/145,742.63
  6. Step 6: Final answer
    x = 76,583.38

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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.