Home / 127,100.57-190,537.59-48,270.15

Finding the Fourth Proportional to 127,100.57, 190,537.59 and 48,270.15

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Solution

The fourth proportional to 127,100.57, 190,537.59 and 48,270.15 is: 72,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.57 : 190,537.59 = 48,270.15 : x
  2. Step 2: Convert to fraction form
    127,100.57/190,537.59 = 48,270.15/x
  3. Step 3: Cross multiply
    127,100.57x = 190,537.59 × 48,270.15
  4. Step 4: Simplify right side
    127,100.57x = 9,197,277,808.59
  5. Step 5: Solve for x
    x = 9,197,277,808.59/127,100.57
  6. Step 6: Final answer
    x = 72,362.21

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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.