Home / 148,239.83-204,570.71-80,256.78

Finding the Fourth Proportional to 148,239.83, 204,570.71 and 80,256.78

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Solution

The fourth proportional to 148,239.83, 204,570.71 and 80,256.78 is: 110,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,239.83 : 204,570.71 = 80,256.78 : x
  2. Step 2: Convert to fraction form
    148,239.83/204,570.71 = 80,256.78/x
  3. Step 3: Cross multiply
    148,239.83x = 204,570.71 × 80,256.78
  4. Step 4: Simplify right side
    148,239.83x = 16,418,186,466.91
  5. Step 5: Solve for x
    x = 16,418,186,466.91/148,239.83
  6. Step 6: Final answer
    x = 110,754.22

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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.