Home / 123,430.48-170,334.20-66,841.92

Finding the Fourth Proportional to 123,430.48, 170,334.20 and 66,841.92

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Solution

The fourth proportional to 123,430.48, 170,334.20 and 66,841.92 is: 92,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.48 : 170,334.20 = 66,841.92 : x
  2. Step 2: Convert to fraction form
    123,430.48/170,334.20 = 66,841.92/x
  3. Step 3: Cross multiply
    123,430.48x = 170,334.20 × 66,841.92
  4. Step 4: Simplify right side
    123,430.48x = 11,385,464,969.66
  5. Step 5: Solve for x
    x = 11,385,464,969.66/123,430.48
  6. Step 6: Final answer
    x = 92,241.92

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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.