Home / 90,845.76-136,285.08-37,537.80

Finding the Fourth Proportional to 90,845.76, 136,285.08 and 37,537.80

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Solution

The fourth proportional to 90,845.76, 136,285.08 and 37,537.80 is: 56,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.76 : 136,285.08 = 37,537.80 : x
  2. Step 2: Convert to fraction form
    90,845.76/136,285.08 = 37,537.80/x
  3. Step 3: Cross multiply
    90,845.76x = 136,285.08 × 37,537.80
  4. Step 4: Simplify right side
    90,845.76x = 5,115,842,076.02
  5. Step 5: Solve for x
    x = 5,115,842,076.02/90,845.76
  6. Step 6: Final answer
    x = 56,313.49

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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.