Home / 157,661.20-236,520.60-64,176.40

Finding the Fourth Proportional to 157,661.20, 236,520.60 and 64,176.40

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Solution

The fourth proportional to 157,661.20, 236,520.60 and 64,176.40 is: 96,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.20 : 236,520.60 = 64,176.40 : x
  2. Step 2: Convert to fraction form
    157,661.20/236,520.60 = 64,176.40/x
  3. Step 3: Cross multiply
    157,661.20x = 236,520.60 × 64,176.40
  4. Step 4: Simplify right side
    157,661.20x = 15,179,040,633.84
  5. Step 5: Solve for x
    x = 15,179,040,633.84/157,661.20
  6. Step 6: Final answer
    x = 96,276.32

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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.