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Finding the Fourth Proportional to 156,475.80, 234,828.90 and 63,048.60

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Solution

The fourth proportional to 156,475.80, 234,828.90 and 63,048.60 is: 94,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,475.80 : 234,828.90 = 63,048.60 : x
  2. Step 2: Convert to fraction form
    156,475.80/234,828.90 = 63,048.60/x
  3. Step 3: Cross multiply
    156,475.80x = 234,828.90 × 63,048.60
  4. Step 4: Simplify right side
    156,475.80x = 14,805,633,384.54
  5. Step 5: Solve for x
    x = 14,805,633,384.54/156,475.80
  6. Step 6: Final answer
    x = 94,619.32

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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.