Home / 140,274.45-193,575.69-76,612.50

Finding the Fourth Proportional to 140,274.45, 193,575.69 and 76,612.50

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Solution

The fourth proportional to 140,274.45, 193,575.69 and 76,612.50 is: 105,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,274.45 : 193,575.69 = 76,612.50 : x
  2. Step 2: Convert to fraction form
    140,274.45/193,575.69 = 76,612.50/x
  3. Step 3: Cross multiply
    140,274.45x = 193,575.69 × 76,612.50
  4. Step 4: Simplify right side
    140,274.45x = 14,830,317,550.13
  5. Step 5: Solve for x
    x = 14,830,317,550.13/140,274.45
  6. Step 6: Final answer
    x = 105,723.58

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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.