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Finding the Fourth Proportional to 133,043.01, 183,595.82 and 72,614.40

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Solution

The fourth proportional to 133,043.01, 183,595.82 and 72,614.40 is: 100,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.01 : 183,595.82 = 72,614.40 : x
  2. Step 2: Convert to fraction form
    133,043.01/183,595.82 = 72,614.40/x
  3. Step 3: Cross multiply
    133,043.01x = 183,595.82 × 72,614.40
  4. Step 4: Simplify right side
    133,043.01x = 13,331,699,948.74
  5. Step 5: Solve for x
    x = 13,331,699,948.74/133,043.01
  6. Step 6: Final answer
    x = 100,205.94

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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.