Home / 180,153.45-248,585.13-102,629.79

Finding the Fourth Proportional to 180,153.45, 248,585.13 and 102,629.79

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Solution

The fourth proportional to 180,153.45, 248,585.13 and 102,629.79 is: 141,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,153.45 : 248,585.13 = 102,629.79 : x
  2. Step 2: Convert to fraction form
    180,153.45/248,585.13 = 102,629.79/x
  3. Step 3: Cross multiply
    180,153.45x = 248,585.13 × 102,629.79
  4. Step 4: Simplify right side
    180,153.45x = 25,512,239,689.02
  5. Step 5: Solve for x
    x = 25,512,239,689.02/180,153.45
  6. Step 6: Final answer
    x = 141,613.94

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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.