Home / 152,839.40-228,821.70-135,343.40

Finding the Fourth Proportional to 152,839.40, 228,821.70 and 135,343.40

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Solution

The fourth proportional to 152,839.40, 228,821.70 and 135,343.40 is: 202,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,839.40 : 228,821.70 = 135,343.40 : x
  2. Step 2: Convert to fraction form
    152,839.40/228,821.70 = 135,343.40/x
  3. Step 3: Cross multiply
    152,839.40x = 228,821.70 × 135,343.40
  4. Step 4: Simplify right side
    152,839.40x = 30,969,506,871.78
  5. Step 5: Solve for x
    x = 30,969,506,871.78/152,839.40
  6. Step 6: Final answer
    x = 202,627.77

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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.