Home / 121,182.85-167,189.03-70,167.74

Finding the Fourth Proportional to 121,182.85, 167,189.03 and 70,167.74

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Solution

The fourth proportional to 121,182.85, 167,189.03 and 70,167.74 is: 96,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.85 : 167,189.03 = 70,167.74 : x
  2. Step 2: Convert to fraction form
    121,182.85/167,189.03 = 70,167.74/x
  3. Step 3: Cross multiply
    121,182.85x = 167,189.03 × 70,167.74
  4. Step 4: Simplify right side
    121,182.85x = 11,731,275,464.24
  5. Step 5: Solve for x
    x = 11,731,275,464.24/121,182.85
  6. Step 6: Final answer
    x = 96,806.40

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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.