Home / 147,432.88-221,018.37-57,454.75

Finding the Fourth Proportional to 147,432.88, 221,018.37 and 57,454.75

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Solution

The fourth proportional to 147,432.88, 221,018.37 and 57,454.75 is: 86,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.88 : 221,018.37 = 57,454.75 : x
  2. Step 2: Convert to fraction form
    147,432.88/221,018.37 = 57,454.75/x
  3. Step 3: Cross multiply
    147,432.88x = 221,018.37 × 57,454.75
  4. Step 4: Simplify right side
    147,432.88x = 12,698,555,193.76
  5. Step 5: Solve for x
    x = 12,698,555,193.76/147,432.88
  6. Step 6: Final answer
    x = 86,131.09

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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.