Home / 136,630.08-204,955.68-52,430.56

Finding the Fourth Proportional to 136,630.08, 204,955.68 and 52,430.56

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Solution

The fourth proportional to 136,630.08, 204,955.68 and 52,430.56 is: 78,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,630.08 : 204,955.68 = 52,430.56 : x
  2. Step 2: Convert to fraction form
    136,630.08/204,955.68 = 52,430.56/x
  3. Step 3: Cross multiply
    136,630.08x = 204,955.68 × 52,430.56
  4. Step 4: Simplify right side
    136,630.08x = 10,745,941,077.58
  5. Step 5: Solve for x
    x = 10,745,941,077.58/136,630.08
  6. Step 6: Final answer
    x = 78,649.89

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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.