Home / 121,285.10-167,369.20-67,567.34

Finding the Fourth Proportional to 121,285.10, 167,369.20 and 67,567.34

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Solution

The fourth proportional to 121,285.10, 167,369.20 and 67,567.34 is: 93,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.10 : 167,369.20 = 67,567.34 : x
  2. Step 2: Convert to fraction form
    121,285.10/167,369.20 = 67,567.34/x
  3. Step 3: Cross multiply
    121,285.10x = 167,369.20 × 67,567.34
  4. Step 4: Simplify right side
    121,285.10x = 11,308,691,641.93
  5. Step 5: Solve for x
    x = 11,308,691,641.93/121,285.10
  6. Step 6: Final answer
    x = 93,240.57

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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.