Home / 127,349.51-190,774.63-73,929.44

Finding the Fourth Proportional to 127,349.51, 190,774.63 and 73,929.44

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Solution

The fourth proportional to 127,349.51, 190,774.63 and 73,929.44 is: 110,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,349.51 : 190,774.63 = 73,929.44 : x
  2. Step 2: Convert to fraction form
    127,349.51/190,774.63 = 73,929.44/x
  3. Step 3: Cross multiply
    127,349.51x = 190,774.63 × 73,929.44
  4. Step 4: Simplify right side
    127,349.51x = 14,103,860,423.41
  5. Step 5: Solve for x
    x = 14,103,860,423.41/127,349.51
  6. Step 6: Final answer
    x = 110,749.24

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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.