Home / 104,098.39-143,655.86-56,351.59

Finding the Fourth Proportional to 104,098.39, 143,655.86 and 56,351.59

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Solution

The fourth proportional to 104,098.39, 143,655.86 and 56,351.59 is: 77,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,098.39 : 143,655.86 = 56,351.59 : x
  2. Step 2: Convert to fraction form
    104,098.39/143,655.86 = 56,351.59/x
  3. Step 3: Cross multiply
    104,098.39x = 143,655.86 × 56,351.59
  4. Step 4: Simplify right side
    104,098.39x = 8,095,235,842.06
  5. Step 5: Solve for x
    x = 8,095,235,842.06/104,098.39
  6. Step 6: Final answer
    x = 77,765.24

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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.