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Finding the Fourth Proportional to 147,354.30, 220,845.60 and 63,014.76

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Solution

The fourth proportional to 147,354.30, 220,845.60 and 63,014.76 is: 94,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.30 : 220,845.60 = 63,014.76 : x
  2. Step 2: Convert to fraction form
    147,354.30/220,845.60 = 63,014.76/x
  3. Step 3: Cross multiply
    147,354.30x = 220,845.60 × 63,014.76
  4. Step 4: Simplify right side
    147,354.30x = 13,916,532,481.06
  5. Step 5: Solve for x
    x = 13,916,532,481.06/147,354.30
  6. Step 6: Final answer
    x = 94,442.66

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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.