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Finding the Fourth Proportional to 133,332.81, 199,999.23 and 53,407.08

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Solution

The fourth proportional to 133,332.81, 199,999.23 and 53,407.08 is: 80,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,332.81 : 199,999.23 = 53,407.08 : x
  2. Step 2: Convert to fraction form
    133,332.81/199,999.23 = 53,407.08/x
  3. Step 3: Cross multiply
    133,332.81x = 199,999.23 × 53,407.08
  4. Step 4: Simplify right side
    133,332.81x = 10,681,374,876.55
  5. Step 5: Solve for x
    x = 10,681,374,876.55/133,332.81
  6. Step 6: Final answer
    x = 80,110.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.