Home / 104,064.08-143,608.72-56,317.92

Finding the Fourth Proportional to 104,064.08, 143,608.72 and 56,317.92

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Solution

The fourth proportional to 104,064.08, 143,608.72 and 56,317.92 is: 77,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.08 : 143,608.72 = 56,317.92 : x
  2. Step 2: Convert to fraction form
    104,064.08/143,608.72 = 56,317.92/x
  3. Step 3: Cross multiply
    104,064.08x = 143,608.72 × 56,317.92
  4. Step 4: Simplify right side
    104,064.08x = 8,087,744,404.26
  5. Step 5: Solve for x
    x = 8,087,744,404.26/104,064.08
  6. Step 6: Final answer
    x = 77,718.89

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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.