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Finding the Fourth Proportional to 164,447.20, 246,670.80 and 101,461.60

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Solution

The fourth proportional to 164,447.20, 246,670.80 and 101,461.60 is: 152,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,447.20 : 246,670.80 = 101,461.60 : x
  2. Step 2: Convert to fraction form
    164,447.20/246,670.80 = 101,461.60/x
  3. Step 3: Cross multiply
    164,447.20x = 246,670.80 × 101,461.60
  4. Step 4: Simplify right side
    164,447.20x = 25,027,614,041.28
  5. Step 5: Solve for x
    x = 25,027,614,041.28/164,447.20
  6. Step 6: Final answer
    x = 152,192.40

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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.