Home / 180,154.45-248,586.51-102,630.79

Finding the Fourth Proportional to 180,154.45, 248,586.51 and 102,630.79

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Solution

The fourth proportional to 180,154.45, 248,586.51 and 102,630.79 is: 141,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.45 : 248,586.51 = 102,630.79 : x
  2. Step 2: Convert to fraction form
    180,154.45/248,586.51 = 102,630.79/x
  3. Step 3: Cross multiply
    180,154.45x = 248,586.51 × 102,630.79
  4. Step 4: Simplify right side
    180,154.45x = 25,512,629,904.64
  5. Step 5: Solve for x
    x = 25,512,629,904.64/180,154.45
  6. Step 6: Final answer
    x = 141,615.32

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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.