Home / 112,814.40-169,221.60-112,036.80

Finding the Fourth Proportional to 112,814.40, 169,221.60 and 112,036.80

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Solution

The fourth proportional to 112,814.40, 169,221.60 and 112,036.80 is: 168,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,814.40 : 169,221.60 = 112,036.80 : x
  2. Step 2: Convert to fraction form
    112,814.40/169,221.60 = 112,036.80/x
  3. Step 3: Cross multiply
    112,814.40x = 169,221.60 × 112,036.80
  4. Step 4: Simplify right side
    112,814.40x = 18,959,046,554.88
  5. Step 5: Solve for x
    x = 18,959,046,554.88/112,814.40
  6. Step 6: Final answer
    x = 168,055.20

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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.