Home / 90,425.65-135,607.29-37,102.57

Finding the Fourth Proportional to 90,425.65, 135,607.29 and 37,102.57

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Solution

The fourth proportional to 90,425.65, 135,607.29 and 37,102.57 is: 55,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,425.65 : 135,607.29 = 37,102.57 : x
  2. Step 2: Convert to fraction form
    90,425.65/135,607.29 = 37,102.57/x
  3. Step 3: Cross multiply
    90,425.65x = 135,607.29 × 37,102.57
  4. Step 4: Simplify right side
    90,425.65x = 5,031,378,969.74
  5. Step 5: Solve for x
    x = 5,031,378,969.74/90,425.65
  6. Step 6: Final answer
    x = 55,641.06

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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.