Home / 218,110.50-300,875.85-146,367.18

Finding the Fourth Proportional to 218,110.50, 300,875.85 and 146,367.18

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Solution

The fourth proportional to 218,110.50, 300,875.85 and 146,367.18 is: 201,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.50 : 300,875.85 = 146,367.18 : x
  2. Step 2: Convert to fraction form
    218,110.50/300,875.85 = 146,367.18/x
  3. Step 3: Cross multiply
    218,110.50x = 300,875.85 × 146,367.18
  4. Step 4: Simplify right side
    218,110.50x = 44,038,349,694.60
  5. Step 5: Solve for x
    x = 44,038,349,694.60/218,110.50
  6. Step 6: Final answer
    x = 201,908.43

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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.