Home / 104,719.84-144,510.04-56,971.96

Finding the Fourth Proportional to 104,719.84, 144,510.04 and 56,971.96

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Solution

The fourth proportional to 104,719.84, 144,510.04 and 56,971.96 is: 78,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.84 : 144,510.04 = 56,971.96 : x
  2. Step 2: Convert to fraction form
    104,719.84/144,510.04 = 56,971.96/x
  3. Step 3: Cross multiply
    104,719.84x = 144,510.04 × 56,971.96
  4. Step 4: Simplify right side
    104,719.84x = 8,233,020,218.48
  5. Step 5: Solve for x
    x = 8,233,020,218.48/104,719.84
  6. Step 6: Final answer
    x = 78,619.49

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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.