Home / 124,681.05-187,040.04-45,789.12

Finding the Fourth Proportional to 124,681.05, 187,040.04 and 45,789.12

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Solution

The fourth proportional to 124,681.05, 187,040.04 and 45,789.12 is: 68,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,681.05 : 187,040.04 = 45,789.12 : x
  2. Step 2: Convert to fraction form
    124,681.05/187,040.04 = 45,789.12/x
  3. Step 3: Cross multiply
    124,681.05x = 187,040.04 × 45,789.12
  4. Step 4: Simplify right side
    124,681.05x = 8,564,398,836.36
  5. Step 5: Solve for x
    x = 8,564,398,836.36/124,681.05
  6. Step 6: Final answer
    x = 68,690.46

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1.5x scale

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.