Home / 121,327.48-167,385.90-73,564.12

Finding the Fourth Proportional to 121,327.48, 167,385.90 and 73,564.12

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Solution

The fourth proportional to 121,327.48, 167,385.90 and 73,564.12 is: 101,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,327.48 : 167,385.90 = 73,564.12 : x
  2. Step 2: Convert to fraction form
    121,327.48/167,385.90 = 73,564.12/x
  3. Step 3: Cross multiply
    121,327.48x = 167,385.90 × 73,564.12
  4. Step 4: Simplify right side
    121,327.48x = 12,313,596,433.91
  5. Step 5: Solve for x
    x = 12,313,596,433.91/121,327.48
  6. Step 6: Final answer
    x = 101,490.58

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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.