Home / 90,957.60-136,379.23-27,756.74

Finding the Fourth Proportional to 90,957.60, 136,379.23 and 27,756.74

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Solution

The fourth proportional to 90,957.60, 136,379.23 and 27,756.74 is: 41,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957.60 : 136,379.23 = 27,756.74 : x
  2. Step 2: Convert to fraction form
    90,957.60/136,379.23 = 27,756.74/x
  3. Step 3: Cross multiply
    90,957.60x = 136,379.23 × 27,756.74
  4. Step 4: Simplify right side
    90,957.60x = 3,785,443,100.07
  5. Step 5: Solve for x
    x = 3,785,443,100.07/90,957.60
  6. Step 6: Final answer
    x = 41,617.67

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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.