Home / 187,259.18-258,401.14-106,683.62

Finding the Fourth Proportional to 187,259.18, 258,401.14 and 106,683.62

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Solution

The fourth proportional to 187,259.18, 258,401.14 and 106,683.62 is: 147,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,259.18 : 258,401.14 = 106,683.62 : x
  2. Step 2: Convert to fraction form
    187,259.18/258,401.14 = 106,683.62/x
  3. Step 3: Cross multiply
    187,259.18x = 258,401.14 × 106,683.62
  4. Step 4: Simplify right side
    187,259.18x = 27,567,167,468.61
  5. Step 5: Solve for x
    x = 27,567,167,468.61/187,259.18
  6. Step 6: Final answer
    x = 147,213.97

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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.