Home / 145,277.67-200,019.74-123,971.43

Finding the Fourth Proportional to 145,277.67, 200,019.74 and 123,971.43

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Solution

The fourth proportional to 145,277.67, 200,019.74 and 123,971.43 is: 170,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,277.67 : 200,019.74 = 123,971.43 : x
  2. Step 2: Convert to fraction form
    145,277.67/200,019.74 = 123,971.43/x
  3. Step 3: Cross multiply
    145,277.67x = 200,019.74 × 123,971.43
  4. Step 4: Simplify right side
    145,277.67x = 24,796,732,576.17
  5. Step 5: Solve for x
    x = 24,796,732,576.17/145,277.67
  6. Step 6: Final answer
    x = 170,685.09

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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.