Home / 105,004.35-143,746.70-104,253.93

Finding the Fourth Proportional to 105,004.35, 143,746.70 and 104,253.93

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Solution

The fourth proportional to 105,004.35, 143,746.70 and 104,253.93 is: 142,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.35 : 143,746.70 = 104,253.93 : x
  2. Step 2: Convert to fraction form
    105,004.35/143,746.70 = 104,253.93/x
  3. Step 3: Cross multiply
    105,004.35x = 143,746.70 × 104,253.93
  4. Step 4: Simplify right side
    105,004.35x = 14,986,158,399.53
  5. Step 5: Solve for x
    x = 14,986,158,399.53/105,004.35
  6. Step 6: Final answer
    x = 142,719.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.