Home / 103,838.23-143,296.67-56,091.56

Finding the Fourth Proportional to 103,838.23, 143,296.67 and 56,091.56

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Solution

The fourth proportional to 103,838.23, 143,296.67 and 56,091.56 is: 77,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,838.23 : 143,296.67 = 56,091.56 : x
  2. Step 2: Convert to fraction form
    103,838.23/143,296.67 = 56,091.56/x
  3. Step 3: Cross multiply
    103,838.23x = 143,296.67 × 56,091.56
  4. Step 4: Simplify right side
    103,838.23x = 8,037,733,482.65
  5. Step 5: Solve for x
    x = 8,037,733,482.65/103,838.23
  6. Step 6: Final answer
    x = 77,406.31

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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.