Home / 104,271.90-143,895.96-56,526

Finding the Fourth Proportional to 104,271.90, 143,895.96 and 56,526

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Solution

The fourth proportional to 104,271.90, 143,895.96 and 56,526 is: 78,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271.90 : 143,895.96 = 56,526 : x
  2. Step 2: Convert to fraction form
    104,271.90/143,895.96 = 56,526/x
  3. Step 3: Cross multiply
    104,271.90x = 143,895.96 × 56,526
  4. Step 4: Simplify right side
    104,271.90x = 8,133,863,034.96
  5. Step 5: Solve for x
    x = 8,133,863,034.96/104,271.90
  6. Step 6: Final answer
    x = 78,006.28

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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.