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Finding the Fourth Proportional to 164,043.45, 245,573.10 and 97,449.30

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Solution

The fourth proportional to 164,043.45, 245,573.10 and 97,449.30 is: 145,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,043.45 : 245,573.10 = 97,449.30 : x
  2. Step 2: Convert to fraction form
    164,043.45/245,573.10 = 97,449.30/x
  3. Step 3: Cross multiply
    164,043.45x = 245,573.10 × 97,449.30
  4. Step 4: Simplify right side
    164,043.45x = 23,930,926,693.83
  5. Step 5: Solve for x
    x = 23,930,926,693.83/164,043.45
  6. Step 6: Final answer
    x = 145,881.63

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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.