Home / 119,256.53-164,720.05-89,175.67

Finding the Fourth Proportional to 119,256.53, 164,720.05 and 89,175.67

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Solution

The fourth proportional to 119,256.53, 164,720.05 and 89,175.67 is: 123,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,256.53 : 164,720.05 = 89,175.67 : x
  2. Step 2: Convert to fraction form
    119,256.53/164,720.05 = 89,175.67/x
  3. Step 3: Cross multiply
    119,256.53x = 164,720.05 × 89,175.67
  4. Step 4: Simplify right side
    119,256.53x = 14,689,020,186.44
  5. Step 5: Solve for x
    x = 14,689,020,186.44/119,256.53
  6. Step 6: Final answer
    x = 123,171.63

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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.