Home / 213,166.36-319,674.48-70,973.02

Finding the Fourth Proportional to 213,166.36, 319,674.48 and 70,973.02

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Solution

The fourth proportional to 213,166.36, 319,674.48 and 70,973.02 is: 106,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,166.36 : 319,674.48 = 70,973.02 : x
  2. Step 2: Convert to fraction form
    213,166.36/319,674.48 = 70,973.02/x
  3. Step 3: Cross multiply
    213,166.36x = 319,674.48 × 70,973.02
  4. Step 4: Simplify right side
    213,166.36x = 22,688,263,262.53
  5. Step 5: Solve for x
    x = 22,688,263,262.53/213,166.36
  6. Step 6: Final answer
    x = 106,434.54

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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.