Home / 90,315.46-135,433.92-48,186.14

Finding the Fourth Proportional to 90,315.46, 135,433.92 and 48,186.14

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Solution

The fourth proportional to 90,315.46, 135,433.92 and 48,186.14 is: 72,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.46 : 135,433.92 = 48,186.14 : x
  2. Step 2: Convert to fraction form
    90,315.46/135,433.92 = 48,186.14/x
  3. Step 3: Cross multiply
    90,315.46x = 135,433.92 × 48,186.14
  4. Step 4: Simplify right side
    90,315.46x = 6,526,038,095.21
  5. Step 5: Solve for x
    x = 6,526,038,095.21/90,315.46
  6. Step 6: Final answer
    x = 72,258.26

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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.