Home / 165,282.02-228,089.20-89,830.52

Finding the Fourth Proportional to 165,282.02, 228,089.20 and 89,830.52

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Solution

The fourth proportional to 165,282.02, 228,089.20 and 89,830.52 is: 123,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,282.02 : 228,089.20 = 89,830.52 : x
  2. Step 2: Convert to fraction form
    165,282.02/228,089.20 = 89,830.52/x
  3. Step 3: Cross multiply
    165,282.02x = 228,089.20 × 89,830.52
  4. Step 4: Simplify right side
    165,282.02x = 20,489,371,442.38
  5. Step 5: Solve for x
    x = 20,489,371,442.38/165,282.02
  6. Step 6: Final answer
    x = 123,966.12

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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.