Home / 133,207.25-183,823.67-72,776.36

Finding the Fourth Proportional to 133,207.25, 183,823.67 and 72,776.36

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Solution

The fourth proportional to 133,207.25, 183,823.67 and 72,776.36 is: 100,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,207.25 : 183,823.67 = 72,776.36 : x
  2. Step 2: Convert to fraction form
    133,207.25/183,823.67 = 72,776.36/x
  3. Step 3: Cross multiply
    133,207.25x = 183,823.67 × 72,776.36
  4. Step 4: Simplify right side
    133,207.25x = 13,378,016,301.44
  5. Step 5: Solve for x
    x = 13,378,016,301.44/133,207.25
  6. Step 6: Final answer
    x = 100,430.10

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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.