Home / 144,421.56-216,563.96-84,467.38

Finding the Fourth Proportional to 144,421.56, 216,563.96 and 84,467.38

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Solution

The fourth proportional to 144,421.56, 216,563.96 and 84,467.38 is: 126,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,421.56 : 216,563.96 = 84,467.38 : x
  2. Step 2: Convert to fraction form
    144,421.56/216,563.96 = 84,467.38/x
  3. Step 3: Cross multiply
    144,421.56x = 216,563.96 × 84,467.38
  4. Step 4: Simplify right side
    144,421.56x = 18,292,590,303.62
  5. Step 5: Solve for x
    x = 18,292,590,303.62/144,421.56
  6. Step 6: Final answer
    x = 126,661.08

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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.