Home / 102,396.24-141,303.24-57,072.72

Finding the Fourth Proportional to 102,396.24, 141,303.24 and 57,072.72

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Solution

The fourth proportional to 102,396.24, 141,303.24 and 57,072.72 is: 78,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,396.24 : 141,303.24 = 57,072.72 : x
  2. Step 2: Convert to fraction form
    102,396.24/141,303.24 = 57,072.72/x
  3. Step 3: Cross multiply
    102,396.24x = 141,303.24 × 57,072.72
  4. Step 4: Simplify right side
    102,396.24x = 8,064,560,251.61
  5. Step 5: Solve for x
    x = 8,064,560,251.61/102,396.24
  6. Step 6: Final answer
    x = 78,758.36

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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.