Home / 133,055.72-183,609.04-72,614.19

Finding the Fourth Proportional to 133,055.72, 183,609.04 and 72,614.19

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Solution

The fourth proportional to 133,055.72, 183,609.04 and 72,614.19 is: 100,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.72 : 183,609.04 = 72,614.19 : x
  2. Step 2: Convert to fraction form
    133,055.72/183,609.04 = 72,614.19/x
  3. Step 3: Cross multiply
    133,055.72x = 183,609.04 × 72,614.19
  4. Step 4: Simplify right side
    133,055.72x = 13,332,621,716.28
  5. Step 5: Solve for x
    x = 13,332,621,716.28/133,055.72
  6. Step 6: Final answer
    x = 100,203.30

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1.5x scale

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.