Home / 155,216.64-213,898.56-110,426.88

Finding the Fourth Proportional to 155,216.64, 213,898.56 and 110,426.88

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Solution

The fourth proportional to 155,216.64, 213,898.56 and 110,426.88 is: 152,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,216.64 : 213,898.56 = 110,426.88 : x
  2. Step 2: Convert to fraction form
    155,216.64/213,898.56 = 110,426.88/x
  3. Step 3: Cross multiply
    155,216.64x = 213,898.56 × 110,426.88
  4. Step 4: Simplify right side
    155,216.64x = 23,620,150,617.29
  5. Step 5: Solve for x
    x = 23,620,150,617.29/155,216.64
  6. Step 6: Final answer
    x = 152,175.38

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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.