Home / 145,478.43-218,018.59-109,910.52

Finding the Fourth Proportional to 145,478.43, 218,018.59 and 109,910.52

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Solution

The fourth proportional to 145,478.43, 218,018.59 and 109,910.52 is: 164,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,478.43 : 218,018.59 = 109,910.52 : x
  2. Step 2: Convert to fraction form
    145,478.43/218,018.59 = 109,910.52/x
  3. Step 3: Cross multiply
    145,478.43x = 218,018.59 × 109,910.52
  4. Step 4: Simplify right side
    145,478.43x = 23,962,536,321.79
  5. Step 5: Solve for x
    x = 23,962,536,321.79/145,478.43
  6. Step 6: Final answer
    x = 164,715.39

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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.