Home / 123,330.93-170,196.05-66,742.31

Finding the Fourth Proportional to 123,330.93, 170,196.05 and 66,742.31

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Solution

The fourth proportional to 123,330.93, 170,196.05 and 66,742.31 is: 92,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.93 : 170,196.05 = 66,742.31 : x
  2. Step 2: Convert to fraction form
    123,330.93/170,196.05 = 66,742.31/x
  3. Step 3: Cross multiply
    123,330.93x = 170,196.05 × 66,742.31
  4. Step 4: Simplify right side
    123,330.93x = 11,359,276,345.18
  5. Step 5: Solve for x
    x = 11,359,276,345.18/123,330.93
  6. Step 6: Final answer
    x = 92,104.04

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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.