Home / 102,223.65-153,269.82-67,122.30

Finding the Fourth Proportional to 102,223.65, 153,269.82 and 67,122.30

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Solution

The fourth proportional to 102,223.65, 153,269.82 and 67,122.30 is: 100,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,223.65 : 153,269.82 = 67,122.30 : x
  2. Step 2: Convert to fraction form
    102,223.65/153,269.82 = 67,122.30/x
  3. Step 3: Cross multiply
    102,223.65x = 153,269.82 × 67,122.30
  4. Step 4: Simplify right side
    102,223.65x = 10,287,822,838.99
  5. Step 5: Solve for x
    x = 10,287,822,838.99/102,223.65
  6. Step 6: Final answer
    x = 100,640.34

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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.