Home / 152,190.26-210,023.26-85,122.26

Finding the Fourth Proportional to 152,190.26, 210,023.26 and 85,122.26

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Solution

The fourth proportional to 152,190.26, 210,023.26 and 85,122.26 is: 117,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,190.26 : 210,023.26 = 85,122.26 : x
  2. Step 2: Convert to fraction form
    152,190.26/210,023.26 = 85,122.26/x
  3. Step 3: Cross multiply
    152,190.26x = 210,023.26 × 85,122.26
  4. Step 4: Simplify right side
    152,190.26x = 17,877,654,543.77
  5. Step 5: Solve for x
    x = 17,877,654,543.77/152,190.26
  6. Step 6: Final answer
    x = 117,469.11

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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.