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Finding the Fourth Proportional to 163,652.45, 245,401.11 and 56,999.21

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Solution

The fourth proportional to 163,652.45, 245,401.11 and 56,999.21 is: 85,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,652.45 : 245,401.11 = 56,999.21 : x
  2. Step 2: Convert to fraction form
    163,652.45/245,401.11 = 56,999.21/x
  3. Step 3: Cross multiply
    163,652.45x = 245,401.11 × 56,999.21
  4. Step 4: Simplify right side
    163,652.45x = 13,987,668,176.12
  5. Step 5: Solve for x
    x = 13,987,668,176.12/163,652.45
  6. Step 6: Final answer
    x = 85,471.79

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1.5x scale

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.