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Finding the Fourth Proportional to 112,350.40, 168,410.40 and 65,579.20

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Solution

The fourth proportional to 112,350.40, 168,410.40 and 65,579.20 is: 98,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,350.40 : 168,410.40 = 65,579.20 : x
  2. Step 2: Convert to fraction form
    112,350.40/168,410.40 = 65,579.20/x
  3. Step 3: Cross multiply
    112,350.40x = 168,410.40 × 65,579.20
  4. Step 4: Simplify right side
    112,350.40x = 11,044,219,303.68
  5. Step 5: Solve for x
    x = 11,044,219,303.68/112,350.40
  6. Step 6: Final answer
    x = 98,301.56

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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.