Home / 110,834.10-166,141.80-54,628.20

Finding the Fourth Proportional to 110,834.10, 166,141.80 and 54,628.20

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Solution

The fourth proportional to 110,834.10, 166,141.80 and 54,628.20 is: 81,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,834.10 : 166,141.80 = 54,628.20 : x
  2. Step 2: Convert to fraction form
    110,834.10/166,141.80 = 54,628.20/x
  3. Step 3: Cross multiply
    110,834.10x = 166,141.80 × 54,628.20
  4. Step 4: Simplify right side
    110,834.10x = 9,076,027,478.76
  5. Step 5: Solve for x
    x = 9,076,027,478.76/110,834.10
  6. Step 6: Final answer
    x = 81,888.40

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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.