Home / 154,052.50-212,556.01-89,483.38

Finding the Fourth Proportional to 154,052.50, 212,556.01 and 89,483.38

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Solution

The fourth proportional to 154,052.50, 212,556.01 and 89,483.38 is: 123,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,052.50 : 212,556.01 = 89,483.38 : x
  2. Step 2: Convert to fraction form
    154,052.50/212,556.01 = 89,483.38/x
  3. Step 3: Cross multiply
    154,052.50x = 212,556.01 × 89,483.38
  4. Step 4: Simplify right side
    154,052.50x = 19,020,230,214.11
  5. Step 5: Solve for x
    x = 19,020,230,214.11/154,052.50
  6. Step 6: Final answer
    x = 123,465.90

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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.