Home / 113,823.70-170,735.55-76,401.70

Finding the Fourth Proportional to 113,823.70, 170,735.55 and 76,401.70

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Solution

The fourth proportional to 113,823.70, 170,735.55 and 76,401.70 is: 114,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823.70 : 170,735.55 = 76,401.70 : x
  2. Step 2: Convert to fraction form
    113,823.70/170,735.55 = 76,401.70/x
  3. Step 3: Cross multiply
    113,823.70x = 170,735.55 × 76,401.70
  4. Step 4: Simplify right side
    113,823.70x = 13,044,486,270.44
  5. Step 5: Solve for x
    x = 13,044,486,270.44/113,823.70
  6. Step 6: Final answer
    x = 114,602.55

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1.5x scale

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.