Home / 130,052.96-178,783.64-111,836.88

Finding the Fourth Proportional to 130,052.96, 178,783.64 and 111,836.88

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Solution

The fourth proportional to 130,052.96, 178,783.64 and 111,836.88 is: 153,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,052.96 : 178,783.64 = 111,836.88 : x
  2. Step 2: Convert to fraction form
    130,052.96/178,783.64 = 111,836.88/x
  3. Step 3: Cross multiply
    130,052.96x = 178,783.64 × 111,836.88
  4. Step 4: Simplify right side
    130,052.96x = 19,994,604,492.64
  5. Step 5: Solve for x
    x = 19,994,604,492.64/130,052.96
  6. Step 6: Final answer
    x = 153,742.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.