Home / 140,492.44-193,875.63-76,828.87

Finding the Fourth Proportional to 140,492.44, 193,875.63 and 76,828.87

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Solution

The fourth proportional to 140,492.44, 193,875.63 and 76,828.87 is: 106,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,492.44 : 193,875.63 = 76,828.87 : x
  2. Step 2: Convert to fraction form
    140,492.44/193,875.63 = 76,828.87/x
  3. Step 3: Cross multiply
    140,492.44x = 193,875.63 × 76,828.87
  4. Step 4: Simplify right side
    140,492.44x = 14,895,245,573.44
  5. Step 5: Solve for x
    x = 14,895,245,573.44/140,492.44
  6. Step 6: Final answer
    x = 106,021.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.