Home / 133,316.34-183,976.65-72,886.02

Finding the Fourth Proportional to 133,316.34, 183,976.65 and 72,886.02

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Solution

The fourth proportional to 133,316.34, 183,976.65 and 72,886.02 is: 100,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.34 : 183,976.65 = 72,886.02 : x
  2. Step 2: Convert to fraction form
    133,316.34/183,976.65 = 72,886.02/x
  3. Step 3: Cross multiply
    133,316.34x = 183,976.65 × 72,886.02
  4. Step 4: Simplify right side
    133,316.34x = 13,409,325,791.43
  5. Step 5: Solve for x
    x = 13,409,325,791.43/133,316.34
  6. Step 6: Final answer
    x = 100,582.76

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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.