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Finding the Fourth Proportional to 118,038.64, 177,030.96 and 33,797.20

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Solution

The fourth proportional to 118,038.64, 177,030.96 and 33,797.20 is: 50,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,038.64 : 177,030.96 = 33,797.20 : x
  2. Step 2: Convert to fraction form
    118,038.64/177,030.96 = 33,797.20/x
  3. Step 3: Cross multiply
    118,038.64x = 177,030.96 × 33,797.20
  4. Step 4: Simplify right side
    118,038.64x = 5,983,150,761.31
  5. Step 5: Solve for x
    x = 5,983,150,761.31/118,038.64
  6. Step 6: Final answer
    x = 50,688.07

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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.