Home / 124,920.60-187,467.30-89,885.40

Finding the Fourth Proportional to 124,920.60, 187,467.30 and 89,885.40

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Solution

The fourth proportional to 124,920.60, 187,467.30 and 89,885.40 is: 134,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.60 : 187,467.30 = 89,885.40 : x
  2. Step 2: Convert to fraction form
    124,920.60/187,467.30 = 89,885.40/x
  3. Step 3: Cross multiply
    124,920.60x = 187,467.30 × 89,885.40
  4. Step 4: Simplify right side
    124,920.60x = 16,850,573,247.42
  5. Step 5: Solve for x
    x = 16,850,573,247.42/124,920.60
  6. Step 6: Final answer
    x = 134,890.27

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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.