Home / 163,861.25-245,732.36-57,215.25

Finding the Fourth Proportional to 163,861.25, 245,732.36 and 57,215.25

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Solution

The fourth proportional to 163,861.25, 245,732.36 and 57,215.25 is: 85,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,861.25 : 245,732.36 = 57,215.25 : x
  2. Step 2: Convert to fraction form
    163,861.25/245,732.36 = 57,215.25/x
  3. Step 3: Cross multiply
    163,861.25x = 245,732.36 × 57,215.25
  4. Step 4: Simplify right side
    163,861.25x = 14,059,638,124.41
  5. Step 5: Solve for x
    x = 14,059,638,124.41/163,861.25
  6. Step 6: Final answer
    x = 85,802.10

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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.