Home / 105,800.63-145,994.24-63,358.07

Finding the Fourth Proportional to 105,800.63, 145,994.24 and 63,358.07

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Solution

The fourth proportional to 105,800.63, 145,994.24 and 63,358.07 is: 87,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.63 : 145,994.24 = 63,358.07 : x
  2. Step 2: Convert to fraction form
    105,800.63/145,994.24 = 63,358.07/x
  3. Step 3: Cross multiply
    105,800.63x = 145,994.24 × 63,358.07
  4. Step 4: Simplify right side
    105,800.63x = 9,249,912,960.73
  5. Step 5: Solve for x
    x = 9,249,912,960.73/105,800.63
  6. Step 6: Final answer
    x = 87,427.77

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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.