Home / 118,811.40-163,944.18-71,047.32

Finding the Fourth Proportional to 118,811.40, 163,944.18 and 71,047.32

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Solution

The fourth proportional to 118,811.40, 163,944.18 and 71,047.32 is: 98,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.40 : 163,944.18 = 71,047.32 : x
  2. Step 2: Convert to fraction form
    118,811.40/163,944.18 = 71,047.32/x
  3. Step 3: Cross multiply
    118,811.40x = 163,944.18 × 71,047.32
  4. Step 4: Simplify right side
    118,811.40x = 11,647,794,618.60
  5. Step 5: Solve for x
    x = 11,647,794,618.60/118,811.40
  6. Step 6: Final answer
    x = 98,036.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.