Home / 239,045.86-329,880.63-131,613.67

Finding the Fourth Proportional to 239,045.86, 329,880.63 and 131,613.67

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Solution

The fourth proportional to 239,045.86, 329,880.63 and 131,613.67 is: 181,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,045.86 : 329,880.63 = 131,613.67 : x
  2. Step 2: Convert to fraction form
    239,045.86/329,880.63 = 131,613.67/x
  3. Step 3: Cross multiply
    239,045.86x = 329,880.63 × 131,613.67
  4. Step 4: Simplify right side
    239,045.86x = 43,416,800,376.21
  5. Step 5: Solve for x
    x = 43,416,800,376.21/239,045.86
  6. Step 6: Final answer
    x = 181,625.40

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1.5x scale

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.