Home / 127,037.96-174,872.28-109,802.42

Finding the Fourth Proportional to 127,037.96, 174,872.28 and 109,802.42

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Solution

The fourth proportional to 127,037.96, 174,872.28 and 109,802.42 is: 151,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.96 : 174,872.28 = 109,802.42 : x
  2. Step 2: Convert to fraction form
    127,037.96/174,872.28 = 109,802.42/x
  3. Step 3: Cross multiply
    127,037.96x = 174,872.28 × 109,802.42
  4. Step 4: Simplify right side
    127,037.96x = 19,201,399,534.92
  5. Step 5: Solve for x
    x = 19,201,399,534.92/127,037.96
  6. Step 6: Final answer
    x = 151,146.94

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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.