Home / 104,719.71-144,516.28-56,976.13

Finding the Fourth Proportional to 104,719.71, 144,516.28 and 56,976.13

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Solution

The fourth proportional to 104,719.71, 144,516.28 and 56,976.13 is: 78,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.71 : 144,516.28 = 56,976.13 : x
  2. Step 2: Convert to fraction form
    104,719.71/144,516.28 = 56,976.13/x
  3. Step 3: Cross multiply
    104,719.71x = 144,516.28 × 56,976.13
  4. Step 4: Simplify right side
    104,719.71x = 8,233,978,747.64
  5. Step 5: Solve for x
    x = 8,233,978,747.64/104,719.71
  6. Step 6: Final answer
    x = 78,628.74

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1.5x scale

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.