Home / 123,173.28-169,967.10-71,482.34

Finding the Fourth Proportional to 123,173.28, 169,967.10 and 71,482.34

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Solution

The fourth proportional to 123,173.28, 169,967.10 and 71,482.34 is: 98,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,173.28 : 169,967.10 = 71,482.34 : x
  2. Step 2: Convert to fraction form
    123,173.28/169,967.10 = 71,482.34/x
  3. Step 3: Cross multiply
    123,173.28x = 169,967.10 × 71,482.34
  4. Step 4: Simplify right side
    123,173.28x = 12,149,645,365.84
  5. Step 5: Solve for x
    x = 12,149,645,365.84/123,173.28
  6. Step 6: Final answer
    x = 98,638.65

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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.