Home / 156,470.94-234,739.08-51,281.64

Finding the Fourth Proportional to 156,470.94, 234,739.08 and 51,281.64

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Solution

The fourth proportional to 156,470.94, 234,739.08 and 51,281.64 is: 76,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,470.94 : 234,739.08 = 51,281.64 : x
  2. Step 2: Convert to fraction form
    156,470.94/234,739.08 = 51,281.64/x
  3. Step 3: Cross multiply
    156,470.94x = 234,739.08 × 51,281.64
  4. Step 4: Simplify right side
    156,470.94x = 12,037,804,994.49
  5. Step 5: Solve for x
    x = 12,037,804,994.49/156,470.94
  6. Step 6: Final answer
    x = 76,933.17

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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.