Home / 90,576.59-135,038.05-88,274.70

Finding the Fourth Proportional to 90,576.59, 135,038.05 and 88,274.70

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Solution

The fourth proportional to 90,576.59, 135,038.05 and 88,274.70 is: 131,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.59 : 135,038.05 = 88,274.70 : x
  2. Step 2: Convert to fraction form
    90,576.59/135,038.05 = 88,274.70/x
  3. Step 3: Cross multiply
    90,576.59x = 135,038.05 × 88,274.70
  4. Step 4: Simplify right side
    90,576.59x = 11,920,443,131.65
  5. Step 5: Solve for x
    x = 11,920,443,131.65/90,576.59
  6. Step 6: Final answer
    x = 131,606.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.