Home / 104,315.90-143,956.01-56,569.23

Finding the Fourth Proportional to 104,315.90, 143,956.01 and 56,569.23

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Solution

The fourth proportional to 104,315.90, 143,956.01 and 56,569.23 is: 78,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.90 : 143,956.01 = 56,569.23 : x
  2. Step 2: Convert to fraction form
    104,315.90/143,956.01 = 56,569.23/x
  3. Step 3: Cross multiply
    104,315.90x = 143,956.01 × 56,569.23
  4. Step 4: Simplify right side
    104,315.90x = 8,143,480,781.00
  5. Step 5: Solve for x
    x = 8,143,480,781.00/104,315.90
  6. Step 6: Final answer
    x = 78,065.58

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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.