Home / 121,808.07-168,088.23-67,357.04

Finding the Fourth Proportional to 121,808.07, 168,088.23 and 67,357.04

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Solution

The fourth proportional to 121,808.07, 168,088.23 and 67,357.04 is: 92,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,808.07 : 168,088.23 = 67,357.04 : x
  2. Step 2: Convert to fraction form
    121,808.07/168,088.23 = 67,357.04/x
  3. Step 3: Cross multiply
    121,808.07x = 168,088.23 × 67,357.04
  4. Step 4: Simplify right side
    121,808.07x = 11,321,924,791.20
  5. Step 5: Solve for x
    x = 11,321,924,791.20/121,808.07
  6. Step 6: Final answer
    x = 92,948.89

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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.