Home / 156,937.84-235,437.06-66,979.24

Finding the Fourth Proportional to 156,937.84, 235,437.06 and 66,979.24

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Solution

The fourth proportional to 156,937.84, 235,437.06 and 66,979.24 is: 100,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.84 : 235,437.06 = 66,979.24 : x
  2. Step 2: Convert to fraction form
    156,937.84/235,437.06 = 66,979.24/x
  3. Step 3: Cross multiply
    156,937.84x = 235,437.06 × 66,979.24
  4. Step 4: Simplify right side
    156,937.84x = 15,769,395,346.63
  5. Step 5: Solve for x
    x = 15,769,395,346.63/156,937.84
  6. Step 6: Final answer
    x = 100,481.79

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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.