Home / 102,179.29-141,009.36-56,859.19

Finding the Fourth Proportional to 102,179.29, 141,009.36 and 56,859.19

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Solution

The fourth proportional to 102,179.29, 141,009.36 and 56,859.19 is: 78,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,179.29 : 141,009.36 = 56,859.19 : x
  2. Step 2: Convert to fraction form
    102,179.29/141,009.36 = 56,859.19/x
  3. Step 3: Cross multiply
    102,179.29x = 141,009.36 × 56,859.19
  4. Step 4: Simplify right side
    102,179.29x = 8,017,677,992.02
  5. Step 5: Solve for x
    x = 8,017,677,992.02/102,179.29
  6. Step 6: Final answer
    x = 78,466.76

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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.