Home / 103,907.52-143,395.68-59,198.40

Finding the Fourth Proportional to 103,907.52, 143,395.68 and 59,198.40

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Solution

The fourth proportional to 103,907.52, 143,395.68 and 59,198.40 is: 81,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907.52 : 143,395.68 = 59,198.40 : x
  2. Step 2: Convert to fraction form
    103,907.52/143,395.68 = 59,198.40/x
  3. Step 3: Cross multiply
    103,907.52x = 143,395.68 × 59,198.40
  4. Step 4: Simplify right side
    103,907.52x = 8,488,794,822.91
  5. Step 5: Solve for x
    x = 8,488,794,822.91/103,907.52
  6. Step 6: Final answer
    x = 81,695.67

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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.