Home / 104,166.40-143,749.58-56,419.74

Finding the Fourth Proportional to 104,166.40, 143,749.58 and 56,419.74

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Solution

The fourth proportional to 104,166.40, 143,749.58 and 56,419.74 is: 77,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.40 : 143,749.58 = 56,419.74 : x
  2. Step 2: Convert to fraction form
    104,166.40/143,749.58 = 56,419.74/x
  3. Step 3: Cross multiply
    104,166.40x = 143,749.58 × 56,419.74
  4. Step 4: Simplify right side
    104,166.40x = 8,110,313,928.71
  5. Step 5: Solve for x
    x = 8,110,313,928.71/104,166.40
  6. Step 6: Final answer
    x = 77,859.21

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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.