Home / 89,271.95-133,916.57-26,090.66

Finding the Fourth Proportional to 89,271.95, 133,916.57 and 26,090.66

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Solution

The fourth proportional to 89,271.95, 133,916.57 and 26,090.66 is: 39,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.95 : 133,916.57 = 26,090.66 : x
  2. Step 2: Convert to fraction form
    89,271.95/133,916.57 = 26,090.66/x
  3. Step 3: Cross multiply
    89,271.95x = 133,916.57 × 26,090.66
  4. Step 4: Simplify right side
    89,271.95x = 3,493,971,091.88
  5. Step 5: Solve for x
    x = 3,493,971,091.88/89,271.95
  6. Step 6: Final answer
    x = 39,138.51

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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.