Home / 104,106.29-143,666.72-56,359.64

Finding the Fourth Proportional to 104,106.29, 143,666.72 and 56,359.64

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Solution

The fourth proportional to 104,106.29, 143,666.72 and 56,359.64 is: 77,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.29 : 143,666.72 = 56,359.64 : x
  2. Step 2: Convert to fraction form
    104,106.29/143,666.72 = 56,359.64/x
  3. Step 3: Cross multiply
    104,106.29x = 143,666.72 × 56,359.64
  4. Step 4: Simplify right side
    104,106.29x = 8,097,004,041.75
  5. Step 5: Solve for x
    x = 8,097,004,041.75/104,106.29
  6. Step 6: Final answer
    x = 77,776.32

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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.