Home / 121,666.55-167,883.25-67,944.72

Finding the Fourth Proportional to 121,666.55, 167,883.25 and 67,944.72

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Solution

The fourth proportional to 121,666.55, 167,883.25 and 67,944.72 is: 93,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,666.55 : 167,883.25 = 67,944.72 : x
  2. Step 2: Convert to fraction form
    121,666.55/167,883.25 = 67,944.72/x
  3. Step 3: Cross multiply
    121,666.55x = 167,883.25 × 67,944.72
  4. Step 4: Simplify right side
    121,666.55x = 11,406,779,404.66
  5. Step 5: Solve for x
    x = 11,406,779,404.66/121,666.55
  6. Step 6: Final answer
    x = 93,754.44

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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.