Home / 127,006.35-190,441.47-42,738.51

Finding the Fourth Proportional to 127,006.35, 190,441.47 and 42,738.51

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Solution

The fourth proportional to 127,006.35, 190,441.47 and 42,738.51 is: 64,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,006.35 : 190,441.47 = 42,738.51 : x
  2. Step 2: Convert to fraction form
    127,006.35/190,441.47 = 42,738.51/x
  3. Step 3: Cross multiply
    127,006.35x = 190,441.47 × 42,738.51
  4. Step 4: Simplify right side
    127,006.35x = 8,139,184,670.01
  5. Step 5: Solve for x
    x = 8,139,184,670.01/127,006.35
  6. Step 6: Final answer
    x = 64,084.86

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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.