Home / 90,443.37-135,646.57-34,264.11

Finding the Fourth Proportional to 90,443.37, 135,646.57 and 34,264.11

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Solution

The fourth proportional to 90,443.37, 135,646.57 and 34,264.11 is: 51,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443.37 : 135,646.57 = 34,264.11 : x
  2. Step 2: Convert to fraction form
    90,443.37/135,646.57 = 34,264.11/x
  3. Step 3: Cross multiply
    90,443.37x = 135,646.57 × 34,264.11
  4. Step 4: Simplify right side
    90,443.37x = 4,647,808,995.60
  5. Step 5: Solve for x
    x = 4,647,808,995.60/90,443.37
  6. Step 6: Final answer
    x = 51,389.16

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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.