Home / 121,173.04-167,109.93-75,855.15

Finding the Fourth Proportional to 121,173.04, 167,109.93 and 75,855.15

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Solution

The fourth proportional to 121,173.04, 167,109.93 and 75,855.15 is: 104,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,173.04 : 167,109.93 = 75,855.15 : x
  2. Step 2: Convert to fraction form
    121,173.04/167,109.93 = 75,855.15/x
  3. Step 3: Cross multiply
    121,173.04x = 167,109.93 × 75,855.15
  4. Step 4: Simplify right side
    121,173.04x = 12,676,148,806.64
  5. Step 5: Solve for x
    x = 12,676,148,806.64/121,173.04
  6. Step 6: Final answer
    x = 104,611.96

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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.