Home / 146,726.29-220,136.67-66,792.86

Finding the Fourth Proportional to 146,726.29, 220,136.67 and 66,792.86

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Solution

The fourth proportional to 146,726.29, 220,136.67 and 66,792.86 is: 100,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.29 : 220,136.67 = 66,792.86 : x
  2. Step 2: Convert to fraction form
    146,726.29/220,136.67 = 66,792.86/x
  3. Step 3: Cross multiply
    146,726.29x = 220,136.67 × 66,792.86
  4. Step 4: Simplify right side
    146,726.29x = 14,703,556,679.49
  5. Step 5: Solve for x
    x = 14,703,556,679.49/146,726.29
  6. Step 6: Final answer
    x = 100,210.79

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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.