Home / 118,529.87-177,774.89-39,643.97

Finding the Fourth Proportional to 118,529.87, 177,774.89 and 39,643.97

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Solution

The fourth proportional to 118,529.87, 177,774.89 and 39,643.97 is: 59,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.87 : 177,774.89 = 39,643.97 : x
  2. Step 2: Convert to fraction form
    118,529.87/177,774.89 = 39,643.97/x
  3. Step 3: Cross multiply
    118,529.87x = 177,774.89 × 39,643.97
  4. Step 4: Simplify right side
    118,529.87x = 7,047,701,318.82
  5. Step 5: Solve for x
    x = 7,047,701,318.82/118,529.87
  6. Step 6: Final answer
    x = 59,459.29

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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.