Home / 165,124.80-227,868.48-89,671.68

Finding the Fourth Proportional to 165,124.80, 227,868.48 and 89,671.68

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Solution

The fourth proportional to 165,124.80, 227,868.48 and 89,671.68 is: 123,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,124.80 : 227,868.48 = 89,671.68 : x
  2. Step 2: Convert to fraction form
    165,124.80/227,868.48 = 89,671.68/x
  3. Step 3: Cross multiply
    165,124.80x = 227,868.48 × 89,671.68
  4. Step 4: Simplify right side
    165,124.80x = 20,433,349,420.65
  5. Step 5: Solve for x
    x = 20,433,349,420.65/165,124.80
  6. Step 6: Final answer
    x = 123,744.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.