Home / 213,003.14-319,435.34-70,810.28

Finding the Fourth Proportional to 213,003.14, 319,435.34 and 70,810.28

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Solution

The fourth proportional to 213,003.14, 319,435.34 and 70,810.28 is: 106,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,003.14 : 319,435.34 = 70,810.28 : x
  2. Step 2: Convert to fraction form
    213,003.14/319,435.34 = 70,810.28/x
  3. Step 3: Cross multiply
    213,003.14x = 319,435.34 × 70,810.28
  4. Step 4: Simplify right side
    213,003.14x = 22,619,303,916.07
  5. Step 5: Solve for x
    x = 22,619,303,916.07/213,003.14
  6. Step 6: Final answer
    x = 106,192.35

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1.5x scale

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.