Home / 112,399.20-168,598.80-98,575.20

Finding the Fourth Proportional to 112,399.20, 168,598.80 and 98,575.20

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Solution

The fourth proportional to 112,399.20, 168,598.80 and 98,575.20 is: 147,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,399.20 : 168,598.80 = 98,575.20 : x
  2. Step 2: Convert to fraction form
    112,399.20/168,598.80 = 98,575.20/x
  3. Step 3: Cross multiply
    112,399.20x = 168,598.80 × 98,575.20
  4. Step 4: Simplify right side
    112,399.20x = 16,619,660,429.76
  5. Step 5: Solve for x
    x = 16,619,660,429.76/112,399.20
  6. Step 6: Final answer
    x = 147,862.80

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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.