Home / 187,585.50-258,892.70-106,994.55

Finding the Fourth Proportional to 187,585.50, 258,892.70 and 106,994.55

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Solution

The fourth proportional to 187,585.50, 258,892.70 and 106,994.55 is: 147,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,585.50 : 258,892.70 = 106,994.55 : x
  2. Step 2: Convert to fraction form
    187,585.50/258,892.70 = 106,994.55/x
  3. Step 3: Cross multiply
    187,585.50x = 258,892.70 × 106,994.55
  4. Step 4: Simplify right side
    187,585.50x = 27,700,107,399.81
  5. Step 5: Solve for x
    x = 27,700,107,399.81/187,585.50
  6. Step 6: Final answer
    x = 147,666.57

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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.