Home / 145,974.80-218,943.34-46,145.07

Finding the Fourth Proportional to 145,974.80, 218,943.34 and 46,145.07

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Solution

The fourth proportional to 145,974.80, 218,943.34 and 46,145.07 is: 69,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.80 : 218,943.34 = 46,145.07 : x
  2. Step 2: Convert to fraction form
    145,974.80/218,943.34 = 46,145.07/x
  3. Step 3: Cross multiply
    145,974.80x = 218,943.34 × 46,145.07
  4. Step 4: Simplify right side
    145,974.80x = 10,103,154,424.89
  5. Step 5: Solve for x
    x = 10,103,154,424.89/145,974.80
  6. Step 6: Final answer
    x = 69,211.63

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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.