Home / 216,561.65-298,856.07-121,066.29

Finding the Fourth Proportional to 216,561.65, 298,856.07 and 121,066.29

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Solution

The fourth proportional to 216,561.65, 298,856.07 and 121,066.29 is: 167,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,561.65 : 298,856.07 = 121,066.29 : x
  2. Step 2: Convert to fraction form
    216,561.65/298,856.07 = 121,066.29/x
  3. Step 3: Cross multiply
    216,561.65x = 298,856.07 × 121,066.29
  4. Step 4: Simplify right side
    216,561.65x = 36,181,395,638.88
  5. Step 5: Solve for x
    x = 36,181,395,638.88/216,561.65
  6. Step 6: Final answer
    x = 167,072.04

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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.