Home / 127,325.60-190,994.88-47,345.84

Finding the Fourth Proportional to 127,325.60, 190,994.88 and 47,345.84

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Solution

The fourth proportional to 127,325.60, 190,994.88 and 47,345.84 is: 71,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,325.60 : 190,994.88 = 47,345.84 : x
  2. Step 2: Convert to fraction form
    127,325.60/190,994.88 = 47,345.84/x
  3. Step 3: Cross multiply
    127,325.60x = 190,994.88 × 47,345.84
  4. Step 4: Simplify right side
    127,325.60x = 9,042,813,029.30
  5. Step 5: Solve for x
    x = 9,042,813,029.30/127,325.60
  6. Step 6: Final answer
    x = 71,021.17

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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.