Home / 456,075.20-684,177.60-140,499.20

Finding the Fourth Proportional to 456,075.20, 684,177.60 and 140,499.20

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Solution

The fourth proportional to 456,075.20, 684,177.60 and 140,499.20 is: 210,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,075.20 : 684,177.60 = 140,499.20 : x
  2. Step 2: Convert to fraction form
    456,075.20/684,177.60 = 140,499.20/x
  3. Step 3: Cross multiply
    456,075.20x = 684,177.60 × 140,499.20
  4. Step 4: Simplify right side
    456,075.20x = 96,126,405,457.92
  5. Step 5: Solve for x
    x = 96,126,405,457.92/456,075.20
  6. Step 6: Final answer
    x = 210,768.76

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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.