Home / 90,950.61-136,444.41-38,360.28

Finding the Fourth Proportional to 90,950.61, 136,444.41 and 38,360.28

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Solution

The fourth proportional to 90,950.61, 136,444.41 and 38,360.28 is: 57,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950.61 : 136,444.41 = 38,360.28 : x
  2. Step 2: Convert to fraction form
    90,950.61/136,444.41 = 38,360.28/x
  3. Step 3: Cross multiply
    90,950.61x = 136,444.41 × 38,360.28
  4. Step 4: Simplify right side
    90,950.61x = 5,234,045,772.03
  5. Step 5: Solve for x
    x = 5,234,045,772.03/90,950.61
  6. Step 6: Final answer
    x = 57,548.22

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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.