Home / 118,727.20-178,004.40-48,570.40

Finding the Fourth Proportional to 118,727.20, 178,004.40 and 48,570.40

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Solution

The fourth proportional to 118,727.20, 178,004.40 and 48,570.40 is: 72,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.20 : 178,004.40 = 48,570.40 : x
  2. Step 2: Convert to fraction form
    118,727.20/178,004.40 = 48,570.40/x
  3. Step 3: Cross multiply
    118,727.20x = 178,004.40 × 48,570.40
  4. Step 4: Simplify right side
    118,727.20x = 8,645,744,909.76
  5. Step 5: Solve for x
    x = 8,645,744,909.76/118,727.20
  6. Step 6: Final answer
    x = 72,820.25

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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.