Home / 127,005.62-190,515.63-38,271.38

Finding the Fourth Proportional to 127,005.62, 190,515.63 and 38,271.38

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Solution

The fourth proportional to 127,005.62, 190,515.63 and 38,271.38 is: 57,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,005.62 : 190,515.63 = 38,271.38 : x
  2. Step 2: Convert to fraction form
    127,005.62/190,515.63 = 38,271.38/x
  3. Step 3: Cross multiply
    127,005.62x = 190,515.63 × 38,271.38
  4. Step 4: Simplify right side
    127,005.62x = 7,291,296,071.67
  5. Step 5: Solve for x
    x = 7,291,296,071.67/127,005.62
  6. Step 6: Final answer
    x = 57,409.24

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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.