Home / 123,255.54-170,089.88-69,539.18

Finding the Fourth Proportional to 123,255.54, 170,089.88 and 69,539.18

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Solution

The fourth proportional to 123,255.54, 170,089.88 and 69,539.18 is: 95,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,255.54 : 170,089.88 = 69,539.18 : x
  2. Step 2: Convert to fraction form
    123,255.54/170,089.88 = 69,539.18/x
  3. Step 3: Cross multiply
    123,255.54x = 170,089.88 × 69,539.18
  4. Step 4: Simplify right side
    123,255.54x = 11,827,909,583.35
  5. Step 5: Solve for x
    x = 11,827,909,583.35/123,255.54
  6. Step 6: Final answer
    x = 95,962.50

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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.