Home / 118,909.36-178,364.04-30,169.52

Finding the Fourth Proportional to 118,909.36, 178,364.04 and 30,169.52

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Solution

The fourth proportional to 118,909.36, 178,364.04 and 30,169.52 is: 45,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,909.36 : 178,364.04 = 30,169.52 : x
  2. Step 2: Convert to fraction form
    118,909.36/178,364.04 = 30,169.52/x
  3. Step 3: Cross multiply
    118,909.36x = 178,364.04 × 30,169.52
  4. Step 4: Simplify right side
    118,909.36x = 5,381,157,472.06
  5. Step 5: Solve for x
    x = 5,381,157,472.06/118,909.36
  6. Step 6: Final answer
    x = 45,254.28

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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.