Home / 161,521.63-242,283.35-143,834.27

Finding the Fourth Proportional to 161,521.63, 242,283.35 and 143,834.27

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Solution

The fourth proportional to 161,521.63, 242,283.35 and 143,834.27 is: 215,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,521.63 : 242,283.35 = 143,834.27 : x
  2. Step 2: Convert to fraction form
    161,521.63/242,283.35 = 143,834.27/x
  3. Step 3: Cross multiply
    161,521.63x = 242,283.35 × 143,834.27
  4. Step 4: Simplify right side
    161,521.63x = 34,848,647,928.57
  5. Step 5: Solve for x
    x = 34,848,647,928.57/161,521.63
  6. Step 6: Final answer
    x = 215,752.21

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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.