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Finding the Fourth Proportional to 159,488.31, 220,048.20 and 94,903.58

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Solution

The fourth proportional to 159,488.31, 220,048.20 and 94,903.58 is: 130,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,488.31 : 220,048.20 = 94,903.58 : x
  2. Step 2: Convert to fraction form
    159,488.31/220,048.20 = 94,903.58/x
  3. Step 3: Cross multiply
    159,488.31x = 220,048.20 × 94,903.58
  4. Step 4: Simplify right side
    159,488.31x = 20,883,360,852.32
  5. Step 5: Solve for x
    x = 20,883,360,852.32/159,488.31
  6. Step 6: Final answer
    x = 130,939.76

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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.