Home / 123,547.20-170,495.04-66,958.59

Finding the Fourth Proportional to 123,547.20, 170,495.04 and 66,958.59

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Solution

The fourth proportional to 123,547.20, 170,495.04 and 66,958.59 is: 92,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,547.20 : 170,495.04 = 66,958.59 : x
  2. Step 2: Convert to fraction form
    123,547.20/170,495.04 = 66,958.59/x
  3. Step 3: Cross multiply
    123,547.20x = 170,495.04 × 66,958.59
  4. Step 4: Simplify right side
    123,547.20x = 11,416,107,480.39
  5. Step 5: Solve for x
    x = 11,416,107,480.39/123,547.20
  6. Step 6: Final answer
    x = 92,402.80

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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.