Home / 240,168.24-360,130.05-80,186.76

Finding the Fourth Proportional to 240,168.24, 360,130.05 and 80,186.76

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Solution

The fourth proportional to 240,168.24, 360,130.05 and 80,186.76 is: 120,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,168.24 : 360,130.05 = 80,186.76 : x
  2. Step 2: Convert to fraction form
    240,168.24/360,130.05 = 80,186.76/x
  3. Step 3: Cross multiply
    240,168.24x = 360,130.05 × 80,186.76
  4. Step 4: Simplify right side
    240,168.24x = 28,877,661,888.14
  5. Step 5: Solve for x
    x = 28,877,661,888.14/240,168.24
  6. Step 6: Final answer
    x = 120,239.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.