Home / 118,565.40-177,650.63-83,431.24

Finding the Fourth Proportional to 118,565.40, 177,650.63 and 83,431.24

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Solution

The fourth proportional to 118,565.40, 177,650.63 and 83,431.24 is: 125,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.40 : 177,650.63 = 83,431.24 : x
  2. Step 2: Convert to fraction form
    118,565.40/177,650.63 = 83,431.24/x
  3. Step 3: Cross multiply
    118,565.40x = 177,650.63 × 83,431.24
  4. Step 4: Simplify right side
    118,565.40x = 14,821,612,347.68
  5. Step 5: Solve for x
    x = 14,821,612,347.68/118,565.40
  6. Step 6: Final answer
    x = 125,007.91

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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.