Home / 104,112.39-143,675.82-56,365.86

Finding the Fourth Proportional to 104,112.39, 143,675.82 and 56,365.86

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Solution

The fourth proportional to 104,112.39, 143,675.82 and 56,365.86 is: 77,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,112.39 : 143,675.82 = 56,365.86 : x
  2. Step 2: Convert to fraction form
    104,112.39/143,675.82 = 56,365.86/x
  3. Step 3: Cross multiply
    104,112.39x = 143,675.82 × 56,365.86
  4. Step 4: Simplify right side
    104,112.39x = 8,098,411,155.51
  5. Step 5: Solve for x
    x = 8,098,411,155.51/104,112.39
  6. Step 6: Final answer
    x = 77,785.28

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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.