Home / 112,538.20-168,612.90-53,246.20

Finding the Fourth Proportional to 112,538.20, 168,612.90 and 53,246.20

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Solution

The fourth proportional to 112,538.20, 168,612.90 and 53,246.20 is: 79,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,538.20 : 168,612.90 = 53,246.20 : x
  2. Step 2: Convert to fraction form
    112,538.20/168,612.90 = 53,246.20/x
  3. Step 3: Cross multiply
    112,538.20x = 168,612.90 × 53,246.20
  4. Step 4: Simplify right side
    112,538.20x = 8,977,996,195.98
  5. Step 5: Solve for x
    x = 8,977,996,195.98/112,538.20
  6. Step 6: Final answer
    x = 79,777.32

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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.