Home / 154,041.73-212,556.55-86,050.29

Finding the Fourth Proportional to 154,041.73, 212,556.55 and 86,050.29

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Solution

The fourth proportional to 154,041.73, 212,556.55 and 86,050.29 is: 118,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,041.73 : 212,556.55 = 86,050.29 : x
  2. Step 2: Convert to fraction form
    154,041.73/212,556.55 = 86,050.29/x
  3. Step 3: Cross multiply
    154,041.73x = 212,556.55 × 86,050.29
  4. Step 4: Simplify right side
    154,041.73x = 18,290,552,338.65
  5. Step 5: Solve for x
    x = 18,290,552,338.65/154,041.73
  6. Step 6: Final answer
    x = 118,737.65

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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.