Home / 139,752.75-192,852.33-76,090.35

Finding the Fourth Proportional to 139,752.75, 192,852.33 and 76,090.35

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Solution

The fourth proportional to 139,752.75, 192,852.33 and 76,090.35 is: 105,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752.75 : 192,852.33 = 76,090.35 : x
  2. Step 2: Convert to fraction form
    139,752.75/192,852.33 = 76,090.35/x
  3. Step 3: Cross multiply
    139,752.75x = 192,852.33 × 76,090.35
  4. Step 4: Simplify right side
    139,752.75x = 14,674,201,288.02
  5. Step 5: Solve for x
    x = 14,674,201,288.02/139,752.75
  6. Step 6: Final answer
    x = 105,001.16

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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.