Home / 103,689.22-143,093.80-58,368.82

Finding the Fourth Proportional to 103,689.22, 143,093.80 and 58,368.82

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Solution

The fourth proportional to 103,689.22, 143,093.80 and 58,368.82 is: 80,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,689.22 : 143,093.80 = 58,368.82 : x
  2. Step 2: Convert to fraction form
    103,689.22/143,093.80 = 58,368.82/x
  3. Step 3: Cross multiply
    103,689.22x = 143,093.80 × 58,368.82
  4. Step 4: Simplify right side
    103,689.22x = 8,352,216,255.32
  5. Step 5: Solve for x
    x = 8,352,216,255.32/103,689.22
  6. Step 6: Final answer
    x = 80,550.48

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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.