Home / 104,308.29-143,945.07-56,561.52

Finding the Fourth Proportional to 104,308.29, 143,945.07 and 56,561.52

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Solution

The fourth proportional to 104,308.29, 143,945.07 and 56,561.52 is: 78,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,308.29 : 143,945.07 = 56,561.52 : x
  2. Step 2: Convert to fraction form
    104,308.29/143,945.07 = 56,561.52/x
  3. Step 3: Cross multiply
    104,308.29x = 143,945.07 × 56,561.52
  4. Step 4: Simplify right side
    104,308.29x = 8,141,751,955.71
  5. Step 5: Solve for x
    x = 8,141,751,955.71/104,308.29
  6. Step 6: Final answer
    x = 78,054.70

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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.