Home / 90,356.34-135,533.16-28,026.84

Finding the Fourth Proportional to 90,356.34, 135,533.16 and 28,026.84

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Solution

The fourth proportional to 90,356.34, 135,533.16 and 28,026.84 is: 42,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,356.34 : 135,533.16 = 28,026.84 : x
  2. Step 2: Convert to fraction form
    90,356.34/135,533.16 = 28,026.84/x
  3. Step 3: Cross multiply
    90,356.34x = 135,533.16 × 28,026.84
  4. Step 4: Simplify right side
    90,356.34x = 3,798,566,190.01
  5. Step 5: Solve for x
    x = 3,798,566,190.01/90,356.34
  6. Step 6: Final answer
    x = 42,039.84

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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.