Home / 139,985.62-209,979.22-34,804.59

Finding the Fourth Proportional to 139,985.62, 209,979.22 and 34,804.59

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Solution

The fourth proportional to 139,985.62, 209,979.22 and 34,804.59 is: 52,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,985.62 : 209,979.22 = 34,804.59 : x
  2. Step 2: Convert to fraction form
    139,985.62/209,979.22 = 34,804.59/x
  3. Step 3: Cross multiply
    139,985.62x = 209,979.22 × 34,804.59
  4. Step 4: Simplify right side
    139,985.62x = 7,308,239,851.44
  5. Step 5: Solve for x
    x = 7,308,239,851.44/139,985.62
  6. Step 6: Final answer
    x = 52,207.08

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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.