Home / 127,355.42-191,116.06-48,470.33

Finding the Fourth Proportional to 127,355.42, 191,116.06 and 48,470.33

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Solution

The fourth proportional to 127,355.42, 191,116.06 and 48,470.33 is: 72,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,355.42 : 191,116.06 = 48,470.33 : x
  2. Step 2: Convert to fraction form
    127,355.42/191,116.06 = 48,470.33/x
  3. Step 3: Cross multiply
    127,355.42x = 191,116.06 × 48,470.33
  4. Step 4: Simplify right side
    127,355.42x = 9,263,458,853.11
  5. Step 5: Solve for x
    x = 9,263,458,853.11/127,355.42
  6. Step 6: Final answer
    x = 72,737.06

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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.