Home / 104,050.20-143,589-56,303.52

Finding the Fourth Proportional to 104,050.20, 143,589 and 56,303.52

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Solution

The fourth proportional to 104,050.20, 143,589 and 56,303.52 is: 77,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,050.20 : 143,589 = 56,303.52 : x
  2. Step 2: Convert to fraction form
    104,050.20/143,589 = 56,303.52/x
  3. Step 3: Cross multiply
    104,050.20x = 143,589 × 56,303.52
  4. Step 4: Simplify right side
    104,050.20x = 8,084,566,133.28
  5. Step 5: Solve for x
    x = 8,084,566,133.28/104,050.20
  6. Step 6: Final answer
    x = 77,698.71

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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.