Home / 99,657.63-149,557.50-55,319.85

Finding the Fourth Proportional to 99,657.63, 149,557.50 and 55,319.85

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Solution

The fourth proportional to 99,657.63, 149,557.50 and 55,319.85 is: 83,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657.63 : 149,557.50 = 55,319.85 : x
  2. Step 2: Convert to fraction form
    99,657.63/149,557.50 = 55,319.85/x
  3. Step 3: Cross multiply
    99,657.63x = 149,557.50 × 55,319.85
  4. Step 4: Simplify right side
    99,657.63x = 8,273,498,466.38
  5. Step 5: Solve for x
    x = 8,273,498,466.38/99,657.63
  6. Step 6: Final answer
    x = 83,019.22

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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.