Home / 213,158.36-319,837.21-93,199.75

Finding the Fourth Proportional to 213,158.36, 319,837.21 and 93,199.75

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Solution

The fourth proportional to 213,158.36, 319,837.21 and 93,199.75 is: 139,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,158.36 : 319,837.21 = 93,199.75 : x
  2. Step 2: Convert to fraction form
    213,158.36/319,837.21 = 93,199.75/x
  3. Step 3: Cross multiply
    213,158.36x = 319,837.21 × 93,199.75
  4. Step 4: Simplify right side
    213,158.36x = 29,808,746,980.11
  5. Step 5: Solve for x
    x = 29,808,746,980.11/213,158.36
  6. Step 6: Final answer
    x = 139,843.20

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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.