Home / 103,695.30-155,441.84-56,267.51

Finding the Fourth Proportional to 103,695.30, 155,441.84 and 56,267.51

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Solution

The fourth proportional to 103,695.30, 155,441.84 and 56,267.51 is: 84,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.30 : 155,441.84 = 56,267.51 : x
  2. Step 2: Convert to fraction form
    103,695.30/155,441.84 = 56,267.51/x
  3. Step 3: Cross multiply
    103,695.30x = 155,441.84 × 56,267.51
  4. Step 4: Simplify right side
    103,695.30x = 8,746,324,228.07
  5. Step 5: Solve for x
    x = 8,746,324,228.07/103,695.30
  6. Step 6: Final answer
    x = 84,346.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.