Home / 118,449.42-163,468.09-66,779.27

Finding the Fourth Proportional to 118,449.42, 163,468.09 and 66,779.27

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Solution

The fourth proportional to 118,449.42, 163,468.09 and 66,779.27 is: 92,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,449.42 : 163,468.09 = 66,779.27 : x
  2. Step 2: Convert to fraction form
    118,449.42/163,468.09 = 66,779.27/x
  3. Step 3: Cross multiply
    118,449.42x = 163,468.09 × 66,779.27
  4. Step 4: Simplify right side
    118,449.42x = 10,916,279,597.63
  5. Step 5: Solve for x
    x = 10,916,279,597.63/118,449.42
  6. Step 6: Final answer
    x = 92,159.84

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1.5x scale

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.