Home / 98,809.07-148,217.65-28,688.38

Finding the Fourth Proportional to 98,809.07, 148,217.65 and 28,688.38

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Solution

The fourth proportional to 98,809.07, 148,217.65 and 28,688.38 is: 43,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,809.07 : 148,217.65 = 28,688.38 : x
  2. Step 2: Convert to fraction form
    98,809.07/148,217.65 = 28,688.38/x
  3. Step 3: Cross multiply
    98,809.07x = 148,217.65 × 28,688.38
  4. Step 4: Simplify right side
    98,809.07x = 4,252,123,823.64
  5. Step 5: Solve for x
    x = 4,252,123,823.64/98,809.07
  6. Step 6: Final answer
    x = 43,033.74

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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.