Home / 137,333.04-205,976.52-38,814

Finding the Fourth Proportional to 137,333.04, 205,976.52 and 38,814

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Solution

The fourth proportional to 137,333.04, 205,976.52 and 38,814 is: 58,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,333.04 : 205,976.52 = 38,814 : x
  2. Step 2: Convert to fraction form
    137,333.04/205,976.52 = 38,814/x
  3. Step 3: Cross multiply
    137,333.04x = 205,976.52 × 38,814
  4. Step 4: Simplify right side
    137,333.04x = 7,994,772,647.28
  5. Step 5: Solve for x
    x = 7,994,772,647.28/137,333.04
  6. Step 6: Final answer
    x = 58,214.49

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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.