Home / 155,537.28-214,582.79-90,985.95

Finding the Fourth Proportional to 155,537.28, 214,582.79 and 90,985.95

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Solution

The fourth proportional to 155,537.28, 214,582.79 and 90,985.95 is: 125,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,537.28 : 214,582.79 = 90,985.95 : x
  2. Step 2: Convert to fraction form
    155,537.28/214,582.79 = 90,985.95/x
  3. Step 3: Cross multiply
    155,537.28x = 214,582.79 × 90,985.95
  4. Step 4: Simplify right side
    155,537.28x = 19,524,019,229.27
  5. Step 5: Solve for x
    x = 19,524,019,229.27/155,537.28
  6. Step 6: Final answer
    x = 125,526.30

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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.