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Finding the Fourth Proportional to 152,319.03, 210,200.24 and 85,251.03

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Solution

The fourth proportional to 152,319.03, 210,200.24 and 85,251.03 is: 117,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.03 : 210,200.24 = 85,251.03 : x
  2. Step 2: Convert to fraction form
    152,319.03/210,200.24 = 85,251.03/x
  3. Step 3: Cross multiply
    152,319.03x = 210,200.24 × 85,251.03
  4. Step 4: Simplify right side
    152,319.03x = 17,919,786,539.99
  5. Step 5: Solve for x
    x = 17,919,786,539.99/152,319.03
  6. Step 6: Final answer
    x = 117,646.41

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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.