Home / 127,214.96-190,844.40-42,975.72

Finding the Fourth Proportional to 127,214.96, 190,844.40 and 42,975.72

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Solution

The fourth proportional to 127,214.96, 190,844.40 and 42,975.72 is: 64,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,214.96 : 190,844.40 = 42,975.72 : x
  2. Step 2: Convert to fraction form
    127,214.96/190,844.40 = 42,975.72/x
  3. Step 3: Cross multiply
    127,214.96x = 190,844.40 × 42,975.72
  4. Step 4: Simplify right side
    127,214.96x = 8,201,675,497.97
  5. Step 5: Solve for x
    x = 8,201,675,497.97/127,214.96
  6. Step 6: Final answer
    x = 64,471.00

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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.