Home / 127,281.70-190,950.09-48,397.42

Finding the Fourth Proportional to 127,281.70, 190,950.09 and 48,397.42

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Solution

The fourth proportional to 127,281.70, 190,950.09 and 48,397.42 is: 72,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281.70 : 190,950.09 = 48,397.42 : x
  2. Step 2: Convert to fraction form
    127,281.70/190,950.09 = 48,397.42/x
  3. Step 3: Cross multiply
    127,281.70x = 190,950.09 × 48,397.42
  4. Step 4: Simplify right side
    127,281.70x = 9,241,491,704.77
  5. Step 5: Solve for x
    x = 9,241,491,704.77/127,281.70
  6. Step 6: Final answer
    x = 72,606.60

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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.