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Finding the Fourth Proportional to 164,885.60, 247,220.40 and 64,985.60

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Solution

The fourth proportional to 164,885.60, 247,220.40 and 64,985.60 is: 97,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,885.60 : 247,220.40 = 64,985.60 : x
  2. Step 2: Convert to fraction form
    164,885.60/247,220.40 = 64,985.60/x
  3. Step 3: Cross multiply
    164,885.60x = 247,220.40 × 64,985.60
  4. Step 4: Simplify right side
    164,885.60x = 16,065,766,026.24
  5. Step 5: Solve for x
    x = 16,065,766,026.24/164,885.60
  6. Step 6: Final answer
    x = 97,435.83

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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.