Home / 146,120.96-201,646.08-79,051.52

Finding the Fourth Proportional to 146,120.96, 201,646.08 and 79,051.52

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Solution

The fourth proportional to 146,120.96, 201,646.08 and 79,051.52 is: 109,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,120.96 : 201,646.08 = 79,051.52 : x
  2. Step 2: Convert to fraction form
    146,120.96/201,646.08 = 79,051.52/x
  3. Step 3: Cross multiply
    146,120.96x = 201,646.08 × 79,051.52
  4. Step 4: Simplify right side
    146,120.96x = 15,940,429,126.04
  5. Step 5: Solve for x
    x = 15,940,429,126.04/146,120.96
  6. Step 6: Final answer
    x = 109,090.64

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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.