Home / 89,177.55-133,780.17-30,008.61

Finding the Fourth Proportional to 89,177.55, 133,780.17 and 30,008.61

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Solution

The fourth proportional to 89,177.55, 133,780.17 and 30,008.61 is: 45,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.55 : 133,780.17 = 30,008.61 : x
  2. Step 2: Convert to fraction form
    89,177.55/133,780.17 = 30,008.61/x
  3. Step 3: Cross multiply
    89,177.55x = 133,780.17 × 30,008.61
  4. Step 4: Simplify right side
    89,177.55x = 4,014,556,947.26
  5. Step 5: Solve for x
    x = 4,014,556,947.26/89,177.55
  6. Step 6: Final answer
    x = 45,017.57

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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.