Home / 110,312.21-165,484.71-51,153.86

Finding the Fourth Proportional to 110,312.21, 165,484.71 and 51,153.86

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Solution

The fourth proportional to 110,312.21, 165,484.71 and 51,153.86 is: 76,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,312.21 : 165,484.71 = 51,153.86 : x
  2. Step 2: Convert to fraction form
    110,312.21/165,484.71 = 51,153.86/x
  3. Step 3: Cross multiply
    110,312.21x = 165,484.71 × 51,153.86
  4. Step 4: Simplify right side
    110,312.21x = 8,465,180,860.06
  5. Step 5: Solve for x
    x = 8,465,180,860.06/110,312.21
  6. Step 6: Final answer
    x = 76,738.39

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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.