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Finding the Fourth Proportional to 169,480.80, 254,480.40 and 99,496.80

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Solution

The fourth proportional to 169,480.80, 254,480.40 and 99,496.80 is: 149,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480.80 : 254,480.40 = 99,496.80 : x
  2. Step 2: Convert to fraction form
    169,480.80/254,480.40 = 99,496.80/x
  3. Step 3: Cross multiply
    169,480.80x = 254,480.40 × 99,496.80
  4. Step 4: Simplify right side
    169,480.80x = 25,319,985,462.72
  5. Step 5: Solve for x
    x = 25,319,985,462.72/169,480.80
  6. Step 6: Final answer
    x = 149,397.37

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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.