Home / 219,914.48-329,921.46-70,163.64

Finding the Fourth Proportional to 219,914.48, 329,921.46 and 70,163.64

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Solution

The fourth proportional to 219,914.48, 329,921.46 and 70,163.64 is: 105,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,914.48 : 329,921.46 = 70,163.64 : x
  2. Step 2: Convert to fraction form
    219,914.48/329,921.46 = 70,163.64/x
  3. Step 3: Cross multiply
    219,914.48x = 329,921.46 × 70,163.64
  4. Step 4: Simplify right side
    219,914.48x = 23,148,490,547.71
  5. Step 5: Solve for x
    x = 23,148,490,547.71/219,914.48
  6. Step 6: Final answer
    x = 105,261.33

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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.