Home / 213,814.79-320,723.55-56,041.88

Finding the Fourth Proportional to 213,814.79, 320,723.55 and 56,041.88

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Solution

The fourth proportional to 213,814.79, 320,723.55 and 56,041.88 is: 84,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,814.79 : 320,723.55 = 56,041.88 : x
  2. Step 2: Convert to fraction form
    213,814.79/320,723.55 = 56,041.88/x
  3. Step 3: Cross multiply
    213,814.79x = 320,723.55 × 56,041.88
  4. Step 4: Simplify right side
    213,814.79x = 17,973,949,098.66
  5. Step 5: Solve for x
    x = 17,973,949,098.66/213,814.79
  6. Step 6: Final answer
    x = 84,063.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.