Home / 180,369.12-248,682.60-115,723.92

Finding the Fourth Proportional to 180,369.12, 248,682.60 and 115,723.92

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Solution

The fourth proportional to 180,369.12, 248,682.60 and 115,723.92 is: 159,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,369.12 : 248,682.60 = 115,723.92 : x
  2. Step 2: Convert to fraction form
    180,369.12/248,682.60 = 115,723.92/x
  3. Step 3: Cross multiply
    180,369.12x = 248,682.60 × 115,723.92
  4. Step 4: Simplify right side
    180,369.12x = 28,778,525,307.79
  5. Step 5: Solve for x
    x = 28,778,525,307.79/180,369.12
  6. Step 6: Final answer
    x = 159,553.51

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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.