Home / 165,699.02-228,665.10-90,247.52

Finding the Fourth Proportional to 165,699.02, 228,665.10 and 90,247.52

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Solution

The fourth proportional to 165,699.02, 228,665.10 and 90,247.52 is: 124,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,699.02 : 228,665.10 = 90,247.52 : x
  2. Step 2: Convert to fraction form
    165,699.02/228,665.10 = 90,247.52/x
  3. Step 3: Cross multiply
    165,699.02x = 228,665.10 × 90,247.52
  4. Step 4: Simplify right side
    165,699.02x = 20,636,458,185.55
  5. Step 5: Solve for x
    x = 20,636,458,185.55/165,699.02
  6. Step 6: Final answer
    x = 124,541.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.