Home / 127,710.36-191,270.30-123,281.69

Finding the Fourth Proportional to 127,710.36, 191,270.30 and 123,281.69

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Solution

The fourth proportional to 127,710.36, 191,270.30 and 123,281.69 is: 184,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710.36 : 191,270.30 = 123,281.69 : x
  2. Step 2: Convert to fraction form
    127,710.36/191,270.30 = 123,281.69/x
  3. Step 3: Cross multiply
    127,710.36x = 191,270.30 × 123,281.69
  4. Step 4: Simplify right side
    127,710.36x = 23,580,124,258.05
  5. Step 5: Solve for x
    x = 23,580,124,258.05/127,710.36
  6. Step 6: Final answer
    x = 184,637.52

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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.