Home / 121,138.96-167,176.62-67,426.24

Finding the Fourth Proportional to 121,138.96, 167,176.62 and 67,426.24

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Solution

The fourth proportional to 121,138.96, 167,176.62 and 67,426.24 is: 93,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,138.96 : 167,176.62 = 67,426.24 : x
  2. Step 2: Convert to fraction form
    121,138.96/167,176.62 = 67,426.24/x
  3. Step 3: Cross multiply
    121,138.96x = 167,176.62 × 67,426.24
  4. Step 4: Simplify right side
    121,138.96x = 11,272,090,902.51
  5. Step 5: Solve for x
    x = 11,272,090,902.51/121,138.96
  6. Step 6: Final answer
    x = 93,050.91

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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.