Home / 98,257.84-147,386.14-28,137.15

Finding the Fourth Proportional to 98,257.84, 147,386.14 and 28,137.15

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Solution

The fourth proportional to 98,257.84, 147,386.14 and 28,137.15 is: 42,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.84 : 147,386.14 = 28,137.15 : x
  2. Step 2: Convert to fraction form
    98,257.84/147,386.14 = 28,137.15/x
  3. Step 3: Cross multiply
    98,257.84x = 147,386.14 × 28,137.15
  4. Step 4: Simplify right side
    98,257.84x = 4,147,025,929.10
  5. Step 5: Solve for x
    x = 4,147,025,929.10/98,257.84
  6. Step 6: Final answer
    x = 42,205.55

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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.