Home / 150,728.50-208,006.14-94,172.68

Finding the Fourth Proportional to 150,728.50, 208,006.14 and 94,172.68

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Solution

The fourth proportional to 150,728.50, 208,006.14 and 94,172.68 is: 129,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,728.50 : 208,006.14 = 94,172.68 : x
  2. Step 2: Convert to fraction form
    150,728.50/208,006.14 = 94,172.68/x
  3. Step 3: Cross multiply
    150,728.50x = 208,006.14 × 94,172.68
  4. Step 4: Simplify right side
    150,728.50x = 19,588,495,660.26
  5. Step 5: Solve for x
    x = 19,588,495,660.26/150,728.50
  6. Step 6: Final answer
    x = 129,958.80

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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.