Home / 153,072.60-229,604.67-40,753.80

Finding the Fourth Proportional to 153,072.60, 229,604.67 and 40,753.80

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Solution

The fourth proportional to 153,072.60, 229,604.67 and 40,753.80 is: 61,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,072.60 : 229,604.67 = 40,753.80 : x
  2. Step 2: Convert to fraction form
    153,072.60/229,604.67 = 40,753.80/x
  3. Step 3: Cross multiply
    153,072.60x = 229,604.67 × 40,753.80
  4. Step 4: Simplify right side
    153,072.60x = 9,357,262,800.25
  5. Step 5: Solve for x
    x = 9,357,262,800.25/153,072.60
  6. Step 6: Final answer
    x = 61,129.57

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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.