Home / 147,433.88-221,019.87-57,455.75

Finding the Fourth Proportional to 147,433.88, 221,019.87 and 57,455.75

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Solution

The fourth proportional to 147,433.88, 221,019.87 and 57,455.75 is: 86,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,433.88 : 221,019.87 = 57,455.75 : x
  2. Step 2: Convert to fraction form
    147,433.88/221,019.87 = 57,455.75/x
  3. Step 3: Cross multiply
    147,433.88x = 221,019.87 × 57,455.75
  4. Step 4: Simplify right side
    147,433.88x = 12,698,862,395.75
  5. Step 5: Solve for x
    x = 12,698,862,395.75/147,433.88
  6. Step 6: Final answer
    x = 86,132.59

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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.