Home / 127,035.96-174,869.52-109,800.42

Finding the Fourth Proportional to 127,035.96, 174,869.52 and 109,800.42

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Solution

The fourth proportional to 127,035.96, 174,869.52 and 109,800.42 is: 151,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.96 : 174,869.52 = 109,800.42 : x
  2. Step 2: Convert to fraction form
    127,035.96/174,869.52 = 109,800.42/x
  3. Step 3: Cross multiply
    127,035.96x = 174,869.52 × 109,800.42
  4. Step 4: Simplify right side
    127,035.96x = 19,200,746,741.20
  5. Step 5: Solve for x
    x = 19,200,746,741.20/127,035.96
  6. Step 6: Final answer
    x = 151,144.19

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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.