Home / 127,541.84-191,249.87-43,271.28

Finding the Fourth Proportional to 127,541.84, 191,249.87 and 43,271.28

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Solution

The fourth proportional to 127,541.84, 191,249.87 and 43,271.28 is: 64,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541.84 : 191,249.87 = 43,271.28 : x
  2. Step 2: Convert to fraction form
    127,541.84/191,249.87 = 43,271.28/x
  3. Step 3: Cross multiply
    127,541.84x = 191,249.87 × 43,271.28
  4. Step 4: Simplify right side
    127,541.84x = 8,275,626,458.38
  5. Step 5: Solve for x
    x = 8,275,626,458.38/127,541.84
  6. Step 6: Final answer
    x = 64,885.58

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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.