Home / 102,227.36-141,080.40-56,904.80

Finding the Fourth Proportional to 102,227.36, 141,080.40 and 56,904.80

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Solution

The fourth proportional to 102,227.36, 141,080.40 and 56,904.80 is: 78,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227.36 : 141,080.40 = 56,904.80 : x
  2. Step 2: Convert to fraction form
    102,227.36/141,080.40 = 56,904.80/x
  3. Step 3: Cross multiply
    102,227.36x = 141,080.40 × 56,904.80
  4. Step 4: Simplify right side
    102,227.36x = 8,028,151,945.92
  5. Step 5: Solve for x
    x = 8,028,151,945.92/102,227.36
  6. Step 6: Final answer
    x = 78,532.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.