Home / 90,148.77-135,222.60-36,829.41

Finding the Fourth Proportional to 90,148.77, 135,222.60 and 36,829.41

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Solution

The fourth proportional to 90,148.77, 135,222.60 and 36,829.41 is: 55,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,148.77 : 135,222.60 = 36,829.41 : x
  2. Step 2: Convert to fraction form
    90,148.77/135,222.60 = 36,829.41/x
  3. Step 3: Cross multiply
    90,148.77x = 135,222.60 × 36,829.41
  4. Step 4: Simplify right side
    90,148.77x = 4,980,168,576.67
  5. Step 5: Solve for x
    x = 4,980,168,576.67/90,148.77
  6. Step 6: Final answer
    x = 55,243.89

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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.