Home / 281,125.28-387,951.73-152,063.83

Finding the Fourth Proportional to 281,125.28, 387,951.73 and 152,063.83

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Solution

The fourth proportional to 281,125.28, 387,951.73 and 152,063.83 is: 209,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,125.28 : 387,951.73 = 152,063.83 : x
  2. Step 2: Convert to fraction form
    281,125.28/387,951.73 = 152,063.83/x
  3. Step 3: Cross multiply
    281,125.28x = 387,951.73 × 152,063.83
  4. Step 4: Simplify right side
    281,125.28x = 58,993,426,023.71
  5. Step 5: Solve for x
    x = 58,993,426,023.71/281,125.28
  6. Step 6: Final answer
    x = 209,847.46

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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.