Home / 171,498.10-257,247.15-161,875.30

Finding the Fourth Proportional to 171,498.10, 257,247.15 and 161,875.30

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Solution

The fourth proportional to 171,498.10, 257,247.15 and 161,875.30 is: 242,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,498.10 : 257,247.15 = 161,875.30 : x
  2. Step 2: Convert to fraction form
    171,498.10/257,247.15 = 161,875.30/x
  3. Step 3: Cross multiply
    171,498.10x = 257,247.15 × 161,875.30
  4. Step 4: Simplify right side
    171,498.10x = 41,641,959,580.40
  5. Step 5: Solve for x
    x = 41,641,959,580.40/171,498.10
  6. Step 6: Final answer
    x = 242,812.95

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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.