Home / 154,800.30-213,537.92-97,418.21

Finding the Fourth Proportional to 154,800.30, 213,537.92 and 97,418.21

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Solution

The fourth proportional to 154,800.30, 213,537.92 and 97,418.21 is: 134,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,800.30 : 213,537.92 = 97,418.21 : x
  2. Step 2: Convert to fraction form
    154,800.30/213,537.92 = 97,418.21/x
  3. Step 3: Cross multiply
    154,800.30x = 213,537.92 × 97,418.21
  4. Step 4: Simplify right side
    154,800.30x = 20,802,480,378.74
  5. Step 5: Solve for x
    x = 20,802,480,378.74/154,800.30
  6. Step 6: Final answer
    x = 134,382.69

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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.