Home / 234,208.28-323,207.58-126,779.20

Finding the Fourth Proportional to 234,208.28, 323,207.58 and 126,779.20

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Solution

The fourth proportional to 234,208.28, 323,207.58 and 126,779.20 is: 174,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,208.28 : 323,207.58 = 126,779.20 : x
  2. Step 2: Convert to fraction form
    234,208.28/323,207.58 = 126,779.20/x
  3. Step 3: Cross multiply
    234,208.28x = 323,207.58 × 126,779.20
  4. Step 4: Simplify right side
    234,208.28x = 40,975,996,810.30
  5. Step 5: Solve for x
    x = 40,975,996,810.30/234,208.28
  6. Step 6: Final answer
    x = 174,955.37

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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.