Home / 133,211.45-183,744.65-79,460.46

Finding the Fourth Proportional to 133,211.45, 183,744.65 and 79,460.46

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Solution

The fourth proportional to 133,211.45, 183,744.65 and 79,460.46 is: 109,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,211.45 : 183,744.65 = 79,460.46 : x
  2. Step 2: Convert to fraction form
    133,211.45/183,744.65 = 79,460.46/x
  3. Step 3: Cross multiply
    133,211.45x = 183,744.65 × 79,460.46
  4. Step 4: Simplify right side
    133,211.45x = 14,600,434,610.19
  5. Step 5: Solve for x
    x = 14,600,434,610.19/133,211.45
  6. Step 6: Final answer
    x = 109,603.45

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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.