Home / 169,997.40-254,477.70-99,667.80

Finding the Fourth Proportional to 169,997.40, 254,477.70 and 99,667.80

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Solution

The fourth proportional to 169,997.40, 254,477.70 and 99,667.80 is: 149,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.40 : 254,477.70 = 99,667.80 : x
  2. Step 2: Convert to fraction form
    169,997.40/254,477.70 = 99,667.80/x
  3. Step 3: Cross multiply
    169,997.40x = 254,477.70 × 99,667.80
  4. Step 4: Simplify right side
    169,997.40x = 25,363,232,508.06
  5. Step 5: Solve for x
    x = 25,363,232,508.06/169,997.40
  6. Step 6: Final answer
    x = 149,197.77

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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.