Home / 90,845.19-136,267.83-40,866.91

Finding the Fourth Proportional to 90,845.19, 136,267.83 and 40,866.91

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Solution

The fourth proportional to 90,845.19, 136,267.83 and 40,866.91 is: 61,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.19 : 136,267.83 = 40,866.91 : x
  2. Step 2: Convert to fraction form
    90,845.19/136,267.83 = 40,866.91/x
  3. Step 3: Cross multiply
    90,845.19x = 136,267.83 × 40,866.91
  4. Step 4: Simplify right side
    90,845.19x = 5,568,844,803.84
  5. Step 5: Solve for x
    x = 5,568,844,803.84/90,845.19
  6. Step 6: Final answer
    x = 61,300.38

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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.