Home / 104,555.91-144,289.31-56,812.35

Finding the Fourth Proportional to 104,555.91, 144,289.31 and 56,812.35

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Solution

The fourth proportional to 104,555.91, 144,289.31 and 56,812.35 is: 78,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.91 : 144,289.31 = 56,812.35 : x
  2. Step 2: Convert to fraction form
    104,555.91/144,289.31 = 56,812.35/x
  3. Step 3: Cross multiply
    104,555.91x = 144,289.31 × 56,812.35
  4. Step 4: Simplify right side
    104,555.91x = 8,197,414,496.92
  5. Step 5: Solve for x
    x = 8,197,414,496.92/104,555.91
  6. Step 6: Final answer
    x = 78,402.21

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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.