Home / 133,023.10-183,575.75-72,597.63

Finding the Fourth Proportional to 133,023.10, 183,575.75 and 72,597.63

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Solution

The fourth proportional to 133,023.10, 183,575.75 and 72,597.63 is: 100,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.10 : 183,575.75 = 72,597.63 : x
  2. Step 2: Convert to fraction form
    133,023.10/183,575.75 = 72,597.63/x
  3. Step 3: Cross multiply
    133,023.10x = 183,575.75 × 72,597.63
  4. Step 4: Simplify right side
    133,023.10x = 13,327,163,668.28
  5. Step 5: Solve for x
    x = 13,327,163,668.28/133,023.10
  6. Step 6: Final answer
    x = 100,186.84

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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.