Home / 112,961.60-169,636.80-109,462.40

Finding the Fourth Proportional to 112,961.60, 169,636.80 and 109,462.40

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Solution

The fourth proportional to 112,961.60, 169,636.80 and 109,462.40 is: 164,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,961.60 : 169,636.80 = 109,462.40 : x
  2. Step 2: Convert to fraction form
    112,961.60/169,636.80 = 109,462.40/x
  3. Step 3: Cross multiply
    112,961.60x = 169,636.80 × 109,462.40
  4. Step 4: Simplify right side
    112,961.60x = 18,568,851,256.32
  5. Step 5: Solve for x
    x = 18,568,851,256.32/112,961.60
  6. Step 6: Final answer
    x = 164,381.98

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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.