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Finding the Fourth Proportional to 121,019.00, 167,014.31 and 67,313.57

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Solution

The fourth proportional to 121,019.00, 167,014.31 and 67,313.57 is: 92,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,019.00 : 167,014.31 = 67,313.57 : x
  2. Step 2: Convert to fraction form
    121,019.00/167,014.31 = 67,313.57/x
  3. Step 3: Cross multiply
    121,019.00x = 167,014.31 × 67,313.57
  4. Step 4: Simplify right side
    121,019.00x = 11,242,328,275.55
  5. Step 5: Solve for x
    x = 11,242,328,275.55/121,019.00
  6. Step 6: Final answer
    x = 92,897.22

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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.