Home / 90,228.69-135,350.06-37,653.21

Finding the Fourth Proportional to 90,228.69, 135,350.06 and 37,653.21

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Solution

The fourth proportional to 90,228.69, 135,350.06 and 37,653.21 is: 56,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228.69 : 135,350.06 = 37,653.21 : x
  2. Step 2: Convert to fraction form
    90,228.69/135,350.06 = 37,653.21/x
  3. Step 3: Cross multiply
    90,228.69x = 135,350.06 × 37,653.21
  4. Step 4: Simplify right side
    90,228.69x = 5,096,364,044.43
  5. Step 5: Solve for x
    x = 5,096,364,044.43/90,228.69
  6. Step 6: Final answer
    x = 56,482.74

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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.