Home / 90,197.36-135,166.64-50,671.32

Finding the Fourth Proportional to 90,197.36, 135,166.64 and 50,671.32

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Solution

The fourth proportional to 90,197.36, 135,166.64 and 50,671.32 is: 75,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,197.36 : 135,166.64 = 50,671.32 : x
  2. Step 2: Convert to fraction form
    90,197.36/135,166.64 = 50,671.32/x
  3. Step 3: Cross multiply
    90,197.36x = 135,166.64 × 50,671.32
  4. Step 4: Simplify right side
    90,197.36x = 6,849,072,068.76
  5. Step 5: Solve for x
    x = 6,849,072,068.76/90,197.36
  6. Step 6: Final answer
    x = 75,934.29

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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.