Home / 140,074.13-193,302.30-76,412.18

Finding the Fourth Proportional to 140,074.13, 193,302.30 and 76,412.18

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Solution

The fourth proportional to 140,074.13, 193,302.30 and 76,412.18 is: 105,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.13 : 193,302.30 = 76,412.18 : x
  2. Step 2: Convert to fraction form
    140,074.13/193,302.30 = 76,412.18/x
  3. Step 3: Cross multiply
    140,074.13x = 193,302.30 × 76,412.18
  4. Step 4: Simplify right side
    140,074.13x = 14,770,649,175.50
  5. Step 5: Solve for x
    x = 14,770,649,175.50/140,074.13
  6. Step 6: Final answer
    x = 105,448.81

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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.