Home / 104,631.13-156,946.69-34,515.91

Finding the Fourth Proportional to 104,631.13, 156,946.69 and 34,515.91

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Solution

The fourth proportional to 104,631.13, 156,946.69 and 34,515.91 is: 51,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.13 : 156,946.69 = 34,515.91 : x
  2. Step 2: Convert to fraction form
    104,631.13/156,946.69 = 34,515.91/x
  3. Step 3: Cross multiply
    104,631.13x = 156,946.69 × 34,515.91
  4. Step 4: Simplify right side
    104,631.13x = 5,417,157,826.84
  5. Step 5: Solve for x
    x = 5,417,157,826.84/104,631.13
  6. Step 6: Final answer
    x = 51,773.86

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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.