Home / 90,276.06-135,426.70-37,673.50

Finding the Fourth Proportional to 90,276.06, 135,426.70 and 37,673.50

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Solution

The fourth proportional to 90,276.06, 135,426.70 and 37,673.50 is: 56,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276.06 : 135,426.70 = 37,673.50 : x
  2. Step 2: Convert to fraction form
    90,276.06/135,426.70 = 37,673.50/x
  3. Step 3: Cross multiply
    90,276.06x = 135,426.70 × 37,673.50
  4. Step 4: Simplify right side
    90,276.06x = 5,101,997,782.45
  5. Step 5: Solve for x
    x = 5,101,997,782.45/90,276.06
  6. Step 6: Final answer
    x = 56,515.51

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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.