Home / 149,721.80-224,582.70-107,512.70

Finding the Fourth Proportional to 149,721.80, 224,582.70 and 107,512.70

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Solution

The fourth proportional to 149,721.80, 224,582.70 and 107,512.70 is: 161,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.80 : 224,582.70 = 107,512.70 : x
  2. Step 2: Convert to fraction form
    149,721.80/224,582.70 = 107,512.70/x
  3. Step 3: Cross multiply
    149,721.80x = 224,582.70 × 107,512.70
  4. Step 4: Simplify right side
    149,721.80x = 24,145,492,450.29
  5. Step 5: Solve for x
    x = 24,145,492,450.29/149,721.80
  6. Step 6: Final answer
    x = 161,269.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.