Home / 153,012.20-229,064.70-113,743.40

Finding the Fourth Proportional to 153,012.20, 229,064.70 and 113,743.40

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Solution

The fourth proportional to 153,012.20, 229,064.70 and 113,743.40 is: 170,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,012.20 : 229,064.70 = 113,743.40 : x
  2. Step 2: Convert to fraction form
    153,012.20/229,064.70 = 113,743.40/x
  3. Step 3: Cross multiply
    153,012.20x = 229,064.70 × 113,743.40
  4. Step 4: Simplify right side
    153,012.20x = 26,054,597,797.98
  5. Step 5: Solve for x
    x = 26,054,597,797.98/153,012.20
  6. Step 6: Final answer
    x = 170,277.91

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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.