Home / 120,032.48-165,654.51-66,322.28

Finding the Fourth Proportional to 120,032.48, 165,654.51 and 66,322.28

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Solution

The fourth proportional to 120,032.48, 165,654.51 and 66,322.28 is: 91,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,032.48 : 165,654.51 = 66,322.28 : x
  2. Step 2: Convert to fraction form
    120,032.48/165,654.51 = 66,322.28/x
  3. Step 3: Cross multiply
    120,032.48x = 165,654.51 × 66,322.28
  4. Step 4: Simplify right side
    120,032.48x = 10,986,584,795.48
  5. Step 5: Solve for x
    x = 10,986,584,795.48/120,032.48
  6. Step 6: Final answer
    x = 91,530.10

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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.