Home / 103,756.77-143,184.87-58,435.52

Finding the Fourth Proportional to 103,756.77, 143,184.87 and 58,435.52

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Solution

The fourth proportional to 103,756.77, 143,184.87 and 58,435.52 is: 80,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,756.77 : 143,184.87 = 58,435.52 : x
  2. Step 2: Convert to fraction form
    103,756.77/143,184.87 = 58,435.52/x
  3. Step 3: Cross multiply
    103,756.77x = 143,184.87 × 58,435.52
  4. Step 4: Simplify right side
    103,756.77x = 8,367,081,618.66
  5. Step 5: Solve for x
    x = 8,367,081,618.66/103,756.77
  6. Step 6: Final answer
    x = 80,641.31

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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.