Home / 98,804.34-148,211.64-56,673.18

Finding the Fourth Proportional to 98,804.34, 148,211.64 and 56,673.18

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Solution

The fourth proportional to 98,804.34, 148,211.64 and 56,673.18 is: 85,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,804.34 : 148,211.64 = 56,673.18 : x
  2. Step 2: Convert to fraction form
    98,804.34/148,211.64 = 56,673.18/x
  3. Step 3: Cross multiply
    98,804.34x = 148,211.64 × 56,673.18
  4. Step 4: Simplify right side
    98,804.34x = 8,399,624,951.82
  5. Step 5: Solve for x
    x = 8,399,624,951.82/98,804.34
  6. Step 6: Final answer
    x = 85,012.71

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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.