Home / 213,146.16-319,650.02-70,953.24

Finding the Fourth Proportional to 213,146.16, 319,650.02 and 70,953.24

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Solution

The fourth proportional to 213,146.16, 319,650.02 and 70,953.24 is: 106,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146.16 : 319,650.02 = 70,953.24 : x
  2. Step 2: Convert to fraction form
    213,146.16/319,650.02 = 70,953.24/x
  3. Step 3: Cross multiply
    213,146.16x = 319,650.02 × 70,953.24
  4. Step 4: Simplify right side
    213,146.16x = 22,680,204,585.06
  5. Step 5: Solve for x
    x = 22,680,204,585.06/213,146.16
  6. Step 6: Final answer
    x = 106,406.82

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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.