Home / 133,021.86-183,575.67-75,671.28

Finding the Fourth Proportional to 133,021.86, 183,575.67 and 75,671.28

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Solution

The fourth proportional to 133,021.86, 183,575.67 and 75,671.28 is: 104,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.86 : 183,575.67 = 75,671.28 : x
  2. Step 2: Convert to fraction form
    133,021.86/183,575.67 = 75,671.28/x
  3. Step 3: Cross multiply
    133,021.86x = 183,575.67 × 75,671.28
  4. Step 4: Simplify right side
    133,021.86x = 13,891,405,925.76
  5. Step 5: Solve for x
    x = 13,891,405,925.76/133,021.86
  6. Step 6: Final answer
    x = 104,429.50

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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.