Home / 127,085.84-190,567-38,322.80

Finding the Fourth Proportional to 127,085.84, 190,567 and 38,322.80

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Solution

The fourth proportional to 127,085.84, 190,567 and 38,322.80 is: 57,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.84 : 190,567 = 38,322.80 : x
  2. Step 2: Convert to fraction form
    127,085.84/190,567 = 38,322.80/x
  3. Step 3: Cross multiply
    127,085.84x = 190,567 × 38,322.80
  4. Step 4: Simplify right side
    127,085.84x = 7,303,061,027.60
  5. Step 5: Solve for x
    x = 7,303,061,027.60/127,085.84
  6. Step 6: Final answer
    x = 57,465.58

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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.