Home / 103,859.08-143,325.45-56,112.41

Finding the Fourth Proportional to 103,859.08, 143,325.45 and 56,112.41

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Solution

The fourth proportional to 103,859.08, 143,325.45 and 56,112.41 is: 77,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,859.08 : 143,325.45 = 56,112.41 : x
  2. Step 2: Convert to fraction form
    103,859.08/143,325.45 = 56,112.41/x
  3. Step 3: Cross multiply
    103,859.08x = 143,325.45 × 56,112.41
  4. Step 4: Simplify right side
    103,859.08x = 8,042,336,772.15
  5. Step 5: Solve for x
    x = 8,042,336,772.15/103,859.08
  6. Step 6: Final answer
    x = 77,435.09

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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.