Home / 151,428.87-226,998.72-56,633.36

Finding the Fourth Proportional to 151,428.87, 226,998.72 and 56,633.36

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Solution

The fourth proportional to 151,428.87, 226,998.72 and 56,633.36 is: 84,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,428.87 : 226,998.72 = 56,633.36 : x
  2. Step 2: Convert to fraction form
    151,428.87/226,998.72 = 56,633.36/x
  3. Step 3: Cross multiply
    151,428.87x = 226,998.72 × 56,633.36
  4. Step 4: Simplify right side
    151,428.87x = 12,855,699,094.31
  5. Step 5: Solve for x
    x = 12,855,699,094.31/151,428.87
  6. Step 6: Final answer
    x = 84,895.96

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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.