Home / 121,259.54-167,333.77-67,543.45

Finding the Fourth Proportional to 121,259.54, 167,333.77 and 67,543.45

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Solution

The fourth proportional to 121,259.54, 167,333.77 and 67,543.45 is: 93,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259.54 : 167,333.77 = 67,543.45 : x
  2. Step 2: Convert to fraction form
    121,259.54/167,333.77 = 67,543.45/x
  3. Step 3: Cross multiply
    121,259.54x = 167,333.77 × 67,543.45
  4. Step 4: Simplify right side
    121,259.54x = 11,302,300,127.31
  5. Step 5: Solve for x
    x = 11,302,300,127.31/121,259.54
  6. Step 6: Final answer
    x = 93,207.51

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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.