Home / 90,356.09-135,350.06-42,827.11

Finding the Fourth Proportional to 90,356.09, 135,350.06 and 42,827.11

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Solution

The fourth proportional to 90,356.09, 135,350.06 and 42,827.11 is: 64,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,356.09 : 135,350.06 = 42,827.11 : x
  2. Step 2: Convert to fraction form
    90,356.09/135,350.06 = 42,827.11/x
  3. Step 3: Cross multiply
    90,356.09x = 135,350.06 × 42,827.11
  4. Step 4: Simplify right side
    90,356.09x = 5,796,651,355.62
  5. Step 5: Solve for x
    x = 5,796,651,355.62/90,356.09
  6. Step 6: Final answer
    x = 64,153.41

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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.