Home / 89,817.40-134,531.70-48,215.80

Finding the Fourth Proportional to 89,817.40, 134,531.70 and 48,215.80

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Solution

The fourth proportional to 89,817.40, 134,531.70 and 48,215.80 is: 72,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,817.40 : 134,531.70 = 48,215.80 : x
  2. Step 2: Convert to fraction form
    89,817.40/134,531.70 = 48,215.80/x
  3. Step 3: Cross multiply
    89,817.40x = 134,531.70 × 48,215.80
  4. Step 4: Simplify right side
    89,817.40x = 6,486,553,540.86
  5. Step 5: Solve for x
    x = 6,486,553,540.86/89,817.40
  6. Step 6: Final answer
    x = 72,219.34

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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.