Home / 94,990.45-142,514.21-28,432.75

Finding the Fourth Proportional to 94,990.45, 142,514.21 and 28,432.75

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Solution

The fourth proportional to 94,990.45, 142,514.21 and 28,432.75 is: 42,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,990.45 : 142,514.21 = 28,432.75 : x
  2. Step 2: Convert to fraction form
    94,990.45/142,514.21 = 28,432.75/x
  3. Step 3: Cross multiply
    94,990.45x = 142,514.21 × 28,432.75
  4. Step 4: Simplify right side
    94,990.45x = 4,052,070,904.38
  5. Step 5: Solve for x
    x = 4,052,070,904.38/94,990.45
  6. Step 6: Final answer
    x = 42,657.67

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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.