Home / 90,623.80-135,887.10-37,973.80

Finding the Fourth Proportional to 90,623.80, 135,887.10 and 37,973.80

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Solution

The fourth proportional to 90,623.80, 135,887.10 and 37,973.80 is: 56,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.80 : 135,887.10 = 37,973.80 : x
  2. Step 2: Convert to fraction form
    90,623.80/135,887.10 = 37,973.80/x
  3. Step 3: Cross multiply
    90,623.80x = 135,887.10 × 37,973.80
  4. Step 4: Simplify right side
    90,623.80x = 5,160,149,557.98
  5. Step 5: Solve for x
    x = 5,160,149,557.98/90,623.80
  6. Step 6: Final answer
    x = 56,940.34

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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.