Home / 90,678.25-136,017.20-24,118.45

Finding the Fourth Proportional to 90,678.25, 136,017.20 and 24,118.45

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Solution

The fourth proportional to 90,678.25, 136,017.20 and 24,118.45 is: 36,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,678.25 : 136,017.20 = 24,118.45 : x
  2. Step 2: Convert to fraction form
    90,678.25/136,017.20 = 24,118.45/x
  3. Step 3: Cross multiply
    90,678.25x = 136,017.20 × 24,118.45
  4. Step 4: Simplify right side
    90,678.25x = 3,280,524,037.34
  5. Step 5: Solve for x
    x = 3,280,524,037.34/90,678.25
  6. Step 6: Final answer
    x = 36,177.63

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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.