Home / 118,281.64-177,475.26-64,262.72

Finding the Fourth Proportional to 118,281.64, 177,475.26 and 64,262.72

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Solution

The fourth proportional to 118,281.64, 177,475.26 and 64,262.72 is: 96,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.64 : 177,475.26 = 64,262.72 : x
  2. Step 2: Convert to fraction form
    118,281.64/177,475.26 = 64,262.72/x
  3. Step 3: Cross multiply
    118,281.64x = 177,475.26 × 64,262.72
  4. Step 4: Simplify right side
    118,281.64x = 11,405,042,940.31
  5. Step 5: Solve for x
    x = 11,405,042,940.31/118,281.64
  6. Step 6: Final answer
    x = 96,422.77

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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.