Home / 563,630.30-845,438.25-137,166.86

Finding the Fourth Proportional to 563,630.30, 845,438.25 and 137,166.86

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Solution

The fourth proportional to 563,630.30, 845,438.25 and 137,166.86 is: 205,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,630.30 : 845,438.25 = 137,166.86 : x
  2. Step 2: Convert to fraction form
    563,630.30/845,438.25 = 137,166.86/x
  3. Step 3: Cross multiply
    563,630.30x = 845,438.25 × 137,166.86
  4. Step 4: Simplify right side
    563,630.30x = 115,966,112,704.37
  5. Step 5: Solve for x
    x = 115,966,112,704.37/563,630.30
  6. Step 6: Final answer
    x = 205,748.54

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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.