Home / 137,435.04-206,201.70-84,783.24

Finding the Fourth Proportional to 137,435.04, 206,201.70 and 84,783.24

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Solution

The fourth proportional to 137,435.04, 206,201.70 and 84,783.24 is: 127,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,435.04 : 206,201.70 = 84,783.24 : x
  2. Step 2: Convert to fraction form
    137,435.04/206,201.70 = 84,783.24/x
  3. Step 3: Cross multiply
    137,435.04x = 206,201.70 × 84,783.24
  4. Step 4: Simplify right side
    137,435.04x = 17,482,448,219.51
  5. Step 5: Solve for x
    x = 17,482,448,219.51/137,435.04
  6. Step 6: Final answer
    x = 127,205.17

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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.