Home / 146,143.40-219,272.70-57,381.80

Finding the Fourth Proportional to 146,143.40, 219,272.70 and 57,381.80

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Solution

The fourth proportional to 146,143.40, 219,272.70 and 57,381.80 is: 86,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,143.40 : 219,272.70 = 57,381.80 : x
  2. Step 2: Convert to fraction form
    146,143.40/219,272.70 = 57,381.80/x
  3. Step 3: Cross multiply
    146,143.40x = 219,272.70 × 57,381.80
  4. Step 4: Simplify right side
    146,143.40x = 12,582,262,216.86
  5. Step 5: Solve for x
    x = 12,582,262,216.86/146,143.40
  6. Step 6: Final answer
    x = 86,095.32

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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.