Home / 120,056.67-165,673.76-66,340.58

Finding the Fourth Proportional to 120,056.67, 165,673.76 and 66,340.58

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Solution

The fourth proportional to 120,056.67, 165,673.76 and 66,340.58 is: 91,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,056.67 : 165,673.76 = 66,340.58 : x
  2. Step 2: Convert to fraction form
    120,056.67/165,673.76 = 66,340.58/x
  3. Step 3: Cross multiply
    120,056.67x = 165,673.76 × 66,340.58
  4. Step 4: Simplify right side
    120,056.67x = 10,990,892,169.11
  5. Step 5: Solve for x
    x = 10,990,892,169.11/120,056.67
  6. Step 6: Final answer
    x = 91,547.53

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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.