Home / 145,880.65-201,309.46-82,231.66

Finding the Fourth Proportional to 145,880.65, 201,309.46 and 82,231.66

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Solution

The fourth proportional to 145,880.65, 201,309.46 and 82,231.66 is: 113,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,880.65 : 201,309.46 = 82,231.66 : x
  2. Step 2: Convert to fraction form
    145,880.65/201,309.46 = 82,231.66/x
  3. Step 3: Cross multiply
    145,880.65x = 201,309.46 × 82,231.66
  4. Step 4: Simplify right side
    145,880.65x = 16,554,011,069.50
  5. Step 5: Solve for x
    x = 16,554,011,069.50/145,880.65
  6. Step 6: Final answer
    x = 113,476.40

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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.