Home / 137,056.87-189,196.77-83,359.14

Finding the Fourth Proportional to 137,056.87, 189,196.77 and 83,359.14

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Solution

The fourth proportional to 137,056.87, 189,196.77 and 83,359.14 is: 115,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,056.87 : 189,196.77 = 83,359.14 : x
  2. Step 2: Convert to fraction form
    137,056.87/189,196.77 = 83,359.14/x
  3. Step 3: Cross multiply
    137,056.87x = 189,196.77 × 83,359.14
  4. Step 4: Simplify right side
    137,056.87x = 15,771,280,037.98
  5. Step 5: Solve for x
    x = 15,771,280,037.98/137,056.87
  6. Step 6: Final answer
    x = 115,071.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.