Home / 149,346.65-206,097.58-81,363.45

Finding the Fourth Proportional to 149,346.65, 206,097.58 and 81,363.45

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Solution

The fourth proportional to 149,346.65, 206,097.58 and 81,363.45 is: 112,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,346.65 : 206,097.58 = 81,363.45 : x
  2. Step 2: Convert to fraction form
    149,346.65/206,097.58 = 81,363.45/x
  3. Step 3: Cross multiply
    149,346.65x = 206,097.58 × 81,363.45
  4. Step 4: Simplify right side
    149,346.65x = 16,768,811,020.02
  5. Step 5: Solve for x
    x = 16,768,811,020.02/149,346.65
  6. Step 6: Final answer
    x = 112,281.13

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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.