Home / 136,191.69-204,110.55-76,217.67

Finding the Fourth Proportional to 136,191.69, 204,110.55 and 76,217.67

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Solution

The fourth proportional to 136,191.69, 204,110.55 and 76,217.67 is: 114,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,191.69 : 204,110.55 = 76,217.67 : x
  2. Step 2: Convert to fraction form
    136,191.69/204,110.55 = 76,217.67/x
  3. Step 3: Cross multiply
    136,191.69x = 204,110.55 × 76,217.67
  4. Step 4: Simplify right side
    136,191.69x = 15,556,830,543.42
  5. Step 5: Solve for x
    x = 15,556,830,543.42/136,191.69
  6. Step 6: Final answer
    x = 114,227.46

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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.