Home / 152,623.85-210,378.17-120,306.07

Finding the Fourth Proportional to 152,623.85, 210,378.17 and 120,306.07

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Solution

The fourth proportional to 152,623.85, 210,378.17 and 120,306.07 is: 165,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,623.85 : 210,378.17 = 120,306.07 : x
  2. Step 2: Convert to fraction form
    152,623.85/210,378.17 = 120,306.07/x
  3. Step 3: Cross multiply
    152,623.85x = 210,378.17 × 120,306.07
  4. Step 4: Simplify right side
    152,623.85x = 25,309,770,846.49
  5. Step 5: Solve for x
    x = 25,309,770,846.49/152,623.85
  6. Step 6: Final answer
    x = 165,831.03

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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.