Home / 139,968.51-209,952.66-34,787.48

Finding the Fourth Proportional to 139,968.51, 209,952.66 and 34,787.48

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Solution

The fourth proportional to 139,968.51, 209,952.66 and 34,787.48 is: 52,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.51 : 209,952.66 = 34,787.48 : x
  2. Step 2: Convert to fraction form
    139,968.51/209,952.66 = 34,787.48/x
  3. Step 3: Cross multiply
    139,968.51x = 209,952.66 × 34,787.48
  4. Step 4: Simplify right side
    139,968.51x = 7,303,724,617.18
  5. Step 5: Solve for x
    x = 7,303,724,617.18/139,968.51
  6. Step 6: Final answer
    x = 52,181.20

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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.