Home / 104,904.93-144,769.87-57,159.08

Finding the Fourth Proportional to 104,904.93, 144,769.87 and 57,159.08

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Solution

The fourth proportional to 104,904.93, 144,769.87 and 57,159.08 is: 78,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.93 : 144,769.87 = 57,159.08 : x
  2. Step 2: Convert to fraction form
    104,904.93/144,769.87 = 57,159.08/x
  3. Step 3: Cross multiply
    104,904.93x = 144,769.87 × 57,159.08
  4. Step 4: Simplify right side
    104,904.93x = 8,274,912,471.41
  5. Step 5: Solve for x
    x = 8,274,912,471.41/104,904.93
  6. Step 6: Final answer
    x = 78,880.11

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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.